{"id":25422,"date":"2026-08-01T10:35:17","date_gmt":"2026-08-01T01:35:17","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=25422"},"modified":"2026-08-08T15:25:38","modified_gmt":"2026-08-08T06:25:38","slug":"cc-js-if-else","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-js-if-else\/","title":{"rendered":"\u30102026\u5e748\u6708\u6700\u65b0\u3011JavaScript\u306eif\u6587\u3068\u306f\uff1f\u6761\u4ef6\u5206\u5c90\u306e\u8003\u3048\u65b9\u30fbelse if\u306e\u4f7f\u3044\u65b9\u304b\u3089Claude Code\u3067\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u5b9f\u88c5\u307e\u3067"},"content":{"rendered":"\n<style>\n.g-flow-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;}\n.g-flow-item{background:linear-gradient(135deg,#1a1a1a,#2a1015);color:#fff;border-radius:8px;padding:16px 14px;min-width:130px;flex:1;text-align:center;}\n.g-flow-arrow{color:#dc2626;font-size:20px;font-weight:700;}\n.g-card-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 32px;}\n.g-card-row>div{flex:1;min-width:220px;}\n@media(max-width:600px){\n  .g-flow-row{flex-direction:column;}\n  .g-flow-arrow{transform:rotate(90deg);}\n  .g-card-row{flex-direction:column;}\n  .g-card-row>div{min-width:100%;}\n}\n<\/style>\n\n\n\n<div style=\"margin:0 0 32px;\">\n  <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/08\/thumb-cc-js-if-else.jpg\" alt=\"\u30102026\u5e748\u6708\u6700\u65b0\u3011JavaScript\u306eif\u6587\u3068\u306f\uff1f\u6761\u4ef6\u5206\u5c90\u306e\u8003\u3048\u65b9\u30fbelse if\u306e\u4f7f\u3044\u65b9\u304b\u3089Claude Code\u3067\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u5b9f\u88c5\u307e\u3067\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5728\u5eab\u304c10\u500b\u3092\u5207\u3063\u305f\u3089\u81ea\u52d5\u3067\u767a\u6ce8\u3059\u308b\u300d\u300c\u58f2\u4e0a\u76ee\u6a19\u3092\u9054\u6210\u3057\u305f\u6708\u3060\u3051\u30dc\u30fc\u30ca\u30b9\u3092\u652f\u7d66\u3059\u308b\u300d\u300c\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u3067\u3001\u6cd5\u4eba\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5834\u5408\u3060\u3051\u55b6\u696d\u62c5\u5f53\u306b\u901a\u77e5\u3059\u308b\u300d\u2014\u2014\u3053\u3046\u3057\u305f<strong>\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u3001\u3053\u3046\u3059\u308b\u3002\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u3001\u3042\u3042\u3059\u308b\u300d<\/strong>\u3068\u3044\u3046\u5224\u65ad\u30eb\u30fc\u30eb\u306f\u3001\u696d\u7a2e\u3092\u554f\u308f\u305a\u3042\u3089\u3086\u308b\u696d\u52d9\u306b\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u306f\u3053\u306e\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u3068\u3044\u3046\u5224\u65ad\u306e\u4ed5\u7d44\u307f\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u4e16\u754c\u3067\u306f<strong>if\u6587\uff08\u6761\u4ef6\u5206\u5c90\uff09<\/strong>\u3068\u547c\u3070\u308c\u3001JavaScript\u3092\u306f\u3058\u3081\u307b\u307c\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u5171\u901a\u3057\u3066\u5b58\u5728\u3059\u308b\u6700\u3082\u57fa\u672c\u7684\u306a\u90e8\u54c1\u3067\u3059\u3002Web\u30b5\u30a4\u30c8\u306e\u5165\u529b\u30c1\u30a7\u30c3\u30af\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u306e\u627f\u8a8d\u30d5\u30ed\u30fc\u3001Excel\u30de\u30af\u30ed\u306e\u81ea\u52d5\u5224\u5b9a\u2014\u2014\u88cf\u5074\u3067\u306f\u5fc5\u305a\u3068\u8a00\u3063\u3066\u3044\u3044\u307b\u3069if\u6587\u304c\u52d5\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">if\u6587\u3068\u805e\u304f\u3068\u300c\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5c02\u9580\u77e5\u8b58\u300d\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4e2d\u8eab\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u300c\u3082\u3057A\u306a\u3089B\u3059\u308b\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070C\u3059\u308b\u300d\u3068\u3044\u3046\u3001\u79c1\u305f\u3061\u304c\u65e5\u5e38\u696d\u52d9\u3067\u7121\u610f\u8b58\u306b\u3084\u3063\u3066\u3044\u308b\u5224\u65ad\u30eb\u30fc\u30eb\u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u3082\u5206\u304b\u308b\u5f62\u3067\u66f8\u304d\u4e0b\u3057\u305f\u3060\u3051\u306e\u3082\u306e\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001JavaScript\u306eif\u6587\u306e\u57fa\u672c\u304b\u3089\u3001else if\u306e\u5b9f\u884c\u9806\u5e8f\u3001==\u3068===\u306e\u9055\u3044\u3001truthy\/falsy\u3068\u3044\u3063\u305f\u9593\u9055\u3048\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u307e\u3067\u3092\u3001\u696d\u52d9\u306e\u610f\u601d\u6c7a\u5b9a\u30eb\u30fc\u30eb\u306b\u4f8b\u3048\u306a\u304c\u3089\u6574\u7406\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u6700\u5f8c\u306b\u306f\u300c\u69cb\u6587\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u3001\u6761\u4ef6\u3092\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067Claude Code\u304c\u5b9f\u88c5\u3057\u3066\u304f\u308c\u308b\u300d\u3068\u3044\u3046\u9078\u629e\u80a2\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u6700\u5f8c\u307e\u3067\u8aad\u3080\u3068\u3001\u6b21\u306e\u5185\u5bb9\u304c\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>if\u6587\u306e\u57fa\u672c\u69cb\u9020<\/strong>\uff1a\u6761\u4ef6\u5f0f\u30fb\u6bd4\u8f03\u6f14\u7b97\u5b50\u30fb\u5b9f\u884c\u9806\u5e8f\u306e\u8003\u3048\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>else if\u30c1\u30a7\u30fc\u30f3<\/strong>\uff1a\u8907\u6570\u306e\u6761\u4ef6\u3092\u4e26\u3079\u305f\u3068\u304d\u306b\u3001\u3069\u306e\u9806\u756a\u3067\u8a55\u4fa1\u3055\u308c\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>==\u3068===\u306e\u9055\u3044<\/strong>\uff1aJavaScript\u7279\u6709\u306e\u300c\u578b\u5909\u63db\u3055\u308c\u308b\u6bd4\u8f03\u300d\u306e\u843d\u3068\u3057\u7a74<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>truthy\/falsy<\/strong>\uff1a0\u3084\u7a7a\u6587\u5b57\u304c\u6761\u4ef6\u5f0f\u3067\u3069\u3046\u5224\u5b9a\u3055\u308c\u308b\u304b\u3068\u3044\u3046\u9593\u9055\u3048\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u696d\u52d9\u3067\u306e\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u8df5\u30d1\u30bf\u30fc\u30f3<\/strong>\uff1a\u627f\u8a8d\u30eb\u30fc\u30eb\u30fb\u5272\u5f15\u30eb\u30fc\u30eb\u30fb\u5165\u529b\u30c1\u30a7\u30c3\u30af\u3078\u306e\u5fdc\u7528<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u69cb\u6587\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u6761\u4ef6\u5206\u5c90\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5<\/strong>\uff1a\u65e5\u672c\u8a9e\u306e\u6307\u793a\u3067AI\u306b\u4efb\u305b\u308b\u9078\u629e\u80a2<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-01\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">01<\/span>\n  <span class=\"section-label\" style=\"display:block;\">WHAT IS IF STATEMENT<\/span>\n  <span class=\"section-title\" style=\"display:block;\">if\u6587\u3068\u306f\u4f55\u304b\u30fb\u6761\u4ef6\u5206\u5c90\u3092\u300c\u696d\u52d9\u30eb\u30fc\u30eb\u300d\u3067\u7406\u89e3\u3059\u308b<\/span>\n  <span class=\"section-desc\">\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u3068\u3044\u3046\u5224\u65ad\u3092\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u66f8\u304d\u4e0b\u3057\u305f\u3082\u306e<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">if\u6587\u3068\u306f\u3001<strong>\u300c\u3042\u308b\u6761\u4ef6\u304c\u6210\u308a\u7acb\u3064\u304b\u3069\u3046\u304b\u306b\u3088\u3063\u3066\u3001\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u5207\u308a\u66ff\u3048\u308b\u300d<\/strong>\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u69cb\u6587\u3067\u3059\u3002\u82f1\u8a9e\u306e\u300cif\uff08\u3082\u3057\uff09\u300d\u304c\u793a\u3059\u3068\u304a\u308a\u3001\u300c\u3082\u3057\u3053\u306e\u6761\u4ef6\u304c\u771f\uff08true\uff09\u306a\u3089\u3001\u3053\u306e\u51e6\u7406\u3092\u3059\u308b\u300d\u3068\u3044\u3046\u5224\u65ad\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>if\u6587<\/strong>\uff1a\u300c\u3082\u3057\u6761\u4ef6A\u304c\u6210\u308a\u7acb\u3064\u306a\u3089\u51e6\u7406X\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u6761\u4ef6\u5206\u5c90\u3092\u66f8\u304f\u305f\u3081\u306e\u69cb\u6587\u3002JavaScript\u306b\u9650\u3089\u305a\u3001Python\u30fbVBA\u30fbJava\u306a\u3069\u307b\u307c\u5168\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u5b58\u5728\u3059\u308b\u6700\u3082\u57fa\u672c\u7684\u306a\u5236\u5fa1\u69cb\u6587\u306e\u4e00\u3064\u3002\u6761\u4ef6\u304c\u6210\u308a\u7acb\u305f\u306a\u3044\u5834\u5408\u306e\u51e6\u7406\u306f else\uff08\u305d\u3046\u3067\u306a\u3051\u308c\u3070\uff09\u3067\u8ffd\u52a0\u3067\u304d\u308b\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u6761\u4ef6\u5206\u5c90<\/strong>\uff1a\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u7d50\u679c\u3092\u3001\u3042\u308b\u6761\u4ef6\u306e\u771f\u507d\uff08true\u304bfalse\u304b\uff09\u306b\u3088\u3063\u3066\u5909\u3048\u308b\u4ed5\u7d44\u307f\u5168\u822c\u3092\u6307\u3059\u8a00\u8449\u3002if\u6587\u306f\u305d\u306e\u4ee3\u8868\u4f8b\u3060\u304c\u3001switch\u6587\u3084\u4e09\u9805\u6f14\u7b97\u5b50\uff08?:\uff09\u3082\u6761\u4ef6\u5206\u5c90\u306e\u4e00\u7a2e\u3002\u696d\u52d9\u306e\u4e16\u754c\u3067\u306f\u300c\u627f\u8a8d\u30eb\u30fc\u30eb\u300d\u300c\u5272\u5f15\u6761\u4ef6\u300d\u300c\u5165\u529b\u30c1\u30a7\u30c3\u30af\u300d\u306a\u3069\u3001\u5224\u65ad\u304c\u767a\u751f\u3059\u308b\u5834\u9762\u3059\u3079\u3066\u306b\u6761\u4ef6\u5206\u5c90\u304c\u6f5c\u3093\u3067\u3044\u308b\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u696d\u52d9\u306e\u5834\u9762\u306b\u7f6e\u304d\u63db\u3048\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u5728\u5eab\u7ba1\u7406\u306e\u62c5\u5f53\u8005\u306f\u3001\u65e5\u3005\u3053\u3093\u306a\u5224\u65ad\u3092\u3057\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u5728\u5eab\u6570\u3092<br>\u78ba\u8a8d\u3059\u308b<\/strong><br><span style=\"font-size:12px;\">\u73fe\u5728\u306e\u5728\u5eab\u306f<br>\u4f55\u500b\u304b<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u3082\u305710\u500b\u672a\u6e80<br>\u306a\u3089<\/strong><br><span style=\"font-size:12px;\">\u767a\u6ce8\u51e6\u7406\u3092<br>\u5b9f\u884c\u3059\u308b<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u305d\u3046\u3067\u306a\u3051\u308c\u3070<\/strong><br><span style=\"font-size:12px;\">\u4f55\u3082\u305b\u305a<br>\u636e\u3048\u7f6e\u304f<\/span><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u300c\u5728\u5eab\u6570\u3092\u78ba\u8a8d\u3059\u308b\u2192\u3082\u305710\u500b\u672a\u6e80\u306a\u3089\u767a\u6ce8\u3059\u308b\u2192\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u4f55\u3082\u3057\u306a\u3044\u300d\u3068\u3044\u3046\u4e00\u9023\u306e\u5224\u65ad\u3092\u3001JavaScript\u3067\u66f8\u304f\u3068\u304a\u304a\u3088\u305d\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u696d\u52d9\u30eb\u30fc\u30eb\uff1a\u5728\u5eab\u304c10\u500b\u672a\u6e80\u306a\u3089\u767a\u6ce8\u3059\u308b\nlet stockCount = 7;\n\nif (stockCount &lt; 10) {\n    console.log(&quot;\u767a\u6ce8\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059&quot;);\n} else {\n    console.log(&quot;\u5728\u5eab\u306f\u5341\u5206\u3067\u3059\u3002\u51e6\u7406\u306f\u3042\u308a\u307e\u305b\u3093&quot;);\n}\n\/\/ \u5b9f\u884c\u7d50\u679c: &quot;\u767a\u6ce8\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059&quot;\uff08stockCount\u304c7\u306710\u672a\u6e80\u306e\u305f\u3081\uff09<\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30fc\u30c9\u306e\u69cb\u9020\u81ea\u4f53\u306f\u96e3\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002<strong>if\uff08\u3082\u3057\uff09\u306e\u5f8c\u308d\u306e\u4e38\u62ec\u5f27\u300c()\u300d\u306b\u6761\u4ef6\u5f0f<\/strong>\u3092\u66f8\u304d\u3001<strong>\u6ce2\u62ec\u5f27\u300c{}\u300d\u306e\u4e2d\u306b\u6761\u4ef6\u304c\u6210\u308a\u7acb\u3063\u305f\u3068\u304d\u306e\u51e6\u7406<\/strong>\u3092\u66f8\u304d\u307e\u3059\u3002else\u3092\u7d9a\u3051\u308b\u3068\u300c\u6761\u4ef6\u304c\u6210\u308a\u7acb\u305f\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u51e6\u7406\u300d\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u91cd\u8981\u306a\u306e\u306f\u3001if\u6587\u81ea\u4f53\u306f\u300cAI\u3084\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5c02\u9580\u77e5\u8b58\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u666e\u6bb5\u307f\u306a\u3055\u3093\u304c\u696d\u52d9\u3067\u4f7f\u3063\u3066\u3044\u308b\u5224\u65ad\u30eb\u30fc\u30eb\u3092\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u5b9f\u884c\u3067\u304d\u308b\u5f62\u5f0f\u306b\u66f8\u304d\u63db\u3048\u305f\u3082\u306e\u300d\u3060\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u69cb\u6587\u3092\u899a\u3048\u308b\u3053\u3068\u3068\u3001\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u6574\u7406\u3059\u308b\u529b\u306f\u5225\u7269\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u307e\u305a\u306f\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u3092\u65e5\u672c\u8a9e\u3067\u66f8\u304d\u51fa\u3059\u3053\u3068\u304b\u3089<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u3044\u304d\u306a\u308a\u30b3\u30fc\u30c9\u3092\u66f8\u3053\u3046\u3068\u305b\u305a\u3001\u307e\u305a\u300c\u3082\u3057\u5728\u5eab\u304c10\u500b\u672a\u6e80\u306a\u3089\u767a\u6ce8\u3059\u308b\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u4f55\u3082\u3057\u306a\u3044\u300d\u306e\u3088\u3046\u306b\u3001\u81ea\u5206\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u65e5\u672c\u8a9e\u306e\u6587\u7ae0\u3067\u66f8\u304d\u51fa\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u6587\u7ae0\u304c\u305d\u306e\u307e\u307eif\u6587\u306e\u8a2d\u8a08\u56f3\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8003\u3048\u65b9\u306f\u3001\u5f8c\u8ff0\u3059\u308bClaude Code\u3078\u306e\u4f9d\u983c\u306e\u4ed5\u65b9\u306b\u3082\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-02\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">02<\/span>\n  <span class=\"section-label\" style=\"display:block;\">BASIC SYNTAX<\/span>\n  <span class=\"section-title\" style=\"display:block;\">if\u6587\u306e\u66f8\u304d\u65b9\uff1a\u6761\u4ef6\u5f0f\u30fb\u6bd4\u8f03\u6f14\u7b97\u5b50\u30fb\u5b9f\u884c\u9806\u5e8f<\/span>\n  <span class=\"section-desc\">\u6761\u4ef6\u5f0f\u306b\u4f7f\u3046\u300c\u6bd4\u8f03\u6f14\u7b97\u5b50\u300d\u306e\u7a2e\u985e\u3068\u3001\u8a55\u4fa1\u3055\u308c\u308b\u9806\u756a<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">if\u6587\u306e\u6761\u4ef6\u5f0f\u306b\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u300c\u6bd4\u8f03\u6f14\u7b97\u5b50\u300d\u3068\u547c\u3070\u308c\u308b\u8a18\u53f7\u3092\u4f7f\u3063\u3066\u30012\u3064\u306e\u5024\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002JavaScript\u3067\u4f7f\u308f\u308c\u308b\u4ee3\u8868\u7684\u306a\u6bd4\u8f03\u6f14\u7b97\u5b50\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u6bd4\u8f03\u6f14\u7b97\u5b50<\/strong>\uff1a2\u3064\u306e\u5024\u3092\u6bd4\u8f03\u3057\u3066\u3001\u305d\u306e\u7d50\u679c\u3092 true\uff08\u771f\uff09\u307e\u305f\u306f false\uff08\u507d\uff09\u3067\u8fd4\u3059\u8a18\u53f7\u3002\u300c>\u300d\uff08\u3088\u308a\u5927\u304d\u3044\uff09\u300c<\u300d\uff08\u3088\u308a\u5c0f\u3055\u3044\uff09\u300c>=\u300d\uff08\u4ee5\u4e0a\uff09\u300c<=\u300d\uff08\u4ee5\u4e0b\uff09\u300c==\u300d\u300c===\u300d\uff08\u7b49\u3057\u3044\u304b\uff09\u300c!=\u300d\u300c!==\u300d\uff08\u7b49\u3057\u304f\u306a\u3044\u304b\uff09\u306a\u3069\u304c\u3042\u308b\u3002if\u6587\u306e\u6761\u4ef6\u5f0f\u306e\u4e2d\u3067\u983b\u7e41\u306b\u4f7f\u308f\u308c\u308b\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u6f14\u7b97\u5b50<\/th><th>\u610f\u5473<\/th><th>\u69cb\u6587\u4f8b<\/th><th>\u7d50\u679c<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>><\/td><td>\u3088\u308a\u5927\u304d\u3044<\/td><td>10 > 5<\/td><td>true<\/td><\/tr>\n<tr><td><<\/td><td>\u3088\u308a\u5c0f\u3055\u3044<\/td><td>10 < 5<\/td><td>false<\/td><\/tr>\n<tr><td>>=<\/td><td>\u4ee5\u4e0a<\/td><td>10 >= 10<\/td><td>true<\/td><\/tr>\n<tr><td><=<\/td><td>\u4ee5\u4e0b<\/td><td>9 <= 10<\/td><td>true<\/td><\/tr>\n<tr><td>===<\/td><td>\u53b3\u5bc6\u306b\u7b49\u3057\u3044\uff08\u578b\u3082\u542b\u3081\u3066\u4e00\u81f4\uff09<\/td><td>10 === 10<\/td><td>true<\/td><\/tr>\n<tr><td>!==<\/td><td>\u53b3\u5bc6\u306b\u7b49\u3057\u304f\u306a\u3044<\/td><td>10 !== \"10\"<\/td><td>true<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">if\u6587\u306e\u6761\u4ef6\u5f0f\u306f\u3001\u6700\u7d42\u7684\u306b\u3053\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u306a\u3069\u306b\u3088\u3063\u3066<strong>true\u304bfalse\u306e\u3069\u3061\u3089\u304b\u306b\u8a55\u4fa1<\/strong>\u3055\u308c\u307e\u3059\u3002\u6761\u4ef6\u5f0f\u304ctrue\u3067\u3042\u308c\u3070\u76f4\u5f8c\u306e\u6ce2\u62ec\u5f27\u5185\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u3001false\u3067\u3042\u308c\u3070\u305d\u306e\u51e6\u7406\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u627f\u8a8d\u30eb\u30fc\u30eb\u306e\u4f8b\uff1a\u7533\u8acb\u91d1\u984d\u304c10\u4e07\u5186\u4ee5\u4e0a\u306a\u3089\u4e0a\u9577\u627f\u8a8d\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\nlet requestAmount = 120000;\nlet needsApproval = false;\n\nif (requestAmount &gt;= 100000) {\n    needsApproval = true;\n}\n\nconsole.log(needsApproval); \/\/ true<\/pre>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-1. if\u6587\u306f\u4e0a\u304b\u3089\u4e0b\u3078\u30011\u3064\u305a\u3064\u8a55\u4fa1\u3055\u308c\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">if\u6587\uff08\u304a\u3088\u3073\u5f8c\u8ff0\u3059\u308belse if\uff09\u306e\u5b9f\u884c\u9806\u5e8f\u306f<strong>\u5fc5\u305a\u4e0a\u304b\u3089\u4e0b<\/strong>\u3067\u3059\u3002JavaScript\u306e\u30a8\u30f3\u30b8\u30f3\u306f\u6761\u4ef6\u5f0f\u3092\u4e0a\u306e\u884c\u304b\u3089\u9806\u756a\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3001<strong>\u6700\u521d\u306btrue\u3068\u5224\u5b9a\u3055\u308c\u305f\u6761\u4ef6\u306e\u30d6\u30ed\u30c3\u30af\u3060\u3051\u3092\u5b9f\u884c\u3057\u3066\u3001\u305d\u308c\u4ee5\u964d\u306e\u6761\u4ef6\u30c1\u30a7\u30c3\u30af\u306f\u884c\u3044\u307e\u305b\u3093<\/strong>\u3002\u3053\u306e\u300c\u6700\u521d\u306b\u4e00\u81f4\u3057\u305f\u6761\u4ef6\u3067\u51e6\u7406\u304c\u78ba\u5b9a\u3057\u3001\u305d\u308c\u4ee5\u964d\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u308b\u300d\u3068\u3044\u3046\u6027\u8cea\u304c\u3001\u6b21\u7ae0\u306eelse if\u30c1\u30a7\u30fc\u30f3\u3067\u7279\u306b\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u6761\u4ef6\u5f0f\u306b\u4ee3\u5165\u6f14\u7b97\u5b50\u300c=\u300d\u3092\u66f8\u304b\u306a\u3044<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u6761\u4ef6\u5f0f\u3067\u306f\u300c\u7b49\u3057\u3044\u304b\u300d\u3092\u8abf\u3079\u308b\u300c==\u300d\u307e\u305f\u306f\u300c===\u300d\u3092\u4f7f\u3044\u307e\u3059\u3002\u8aa4\u3063\u3066\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u300c=\u300d\u30921\u3064\u3060\u3051\u66f8\u3044\u3066\u3057\u307e\u3046\u3068\u3001\u6bd4\u8f03\u3067\u306f\u306a\u304f\u4ee3\u5165\u306e\u51e6\u7406\u306b\u306a\u308a\u3001\u610f\u56f3\u3068\u7570\u306a\u308b\u52d5\u4f5c\u306b\u306a\u308b\u5178\u578b\u7684\u306a\u30df\u30b9\u3067\u3059\u3002\u30a8\u30c7\u30a3\u30bf\u306e\u591a\u304f\u306f\u3053\u306e\u30df\u30b9\u3092\u8b66\u544a\u3057\u3066\u304f\u308c\u307e\u3059\u304c\u3001\u521d\u5b66\u8005\u304c\u6700\u521d\u306b\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u4e0a\u304b\u3089\u9806\u306b\u8a55\u4fa1\u3055\u308c\u3066\u3001\u6700\u521d\u306btrue\u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3067\u78ba\u5b9a\u3059\u308b\u300d\u3068\u3044\u3046\u9806\u5e8f\u306e\u8a71\u306f\u3001\u6b21\u306e\u7ae0\u306eelse if\u3067\u5b9f\u969b\u306b\u4e8b\u6545\u304c\u8d77\u304d\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u3053\u3053\u306f\u610f\u8b58\u3057\u3066\u8aad\u307f\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-03\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">03<\/span>\n  <span class=\"section-label\" style=\"display:block;\">ELSE IF CHAIN<\/span>\n  <span class=\"section-title\" style=\"display:block;\">else if\u3067\u8907\u6570\u306e\u5206\u5c90\u3092\u4f5c\u308b\uff1a\u5b9f\u884c\u9806\u5e8f\u306e\u6ce8\u610f\u70b9<\/span>\n  <span class=\"section-desc\">\u6761\u4ef6\u3092\u4e26\u3079\u308b\u9806\u756a\u3092\u9593\u9055\u3048\u308b\u3068\u3001\u610f\u56f3\u3057\u305f\u5206\u5c90\u306b\u5230\u9054\u3057\u306a\u3044<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u696d\u52d9\u30eb\u30fc\u30eb\u306f\u300c\u306f\u3044\u30fb\u3044\u3044\u3048\u300d\u306e2\u629e\u3060\u3051\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u300c3\u6bb5\u968e\u306e\u8a55\u4fa1\u30e9\u30f3\u30af\u3092\u4ed8\u3051\u308b\u300d\u300c\u91d1\u984d\u5e2f\u306b\u3088\u3063\u3066\u624b\u6570\u6599\u7387\u3092\u5909\u3048\u308b\u300d\u3068\u3044\u3063\u305f<strong>3\u3064\u4ee5\u4e0a\u306e\u5206\u5c90<\/strong>\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u306f\u3001else if\u3092\u4f7f\u3063\u3066\u6761\u4ef6\u3092\u9023\u306d\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u696d\u52d9\u30eb\u30fc\u30eb\u306e\u4f8b\uff1a\u30b9\u30b3\u30a2\u306b\u5fdc\u3058\u3066\u8a55\u4fa1\u30e9\u30f3\u30af\u3092\u4ed8\u3051\u308b\nlet score = 85;\nlet grade;\n\nif (score &gt;= 90) {\n    grade = &quot;S&quot;;\n} else if (score &gt;= 80) {\n    grade = &quot;A&quot;;\n} else if (score &gt;= 60) {\n    grade = &quot;B&quot;;\n} else {\n    grade = &quot;C&quot;;\n}\n\nconsole.log(grade); \/\/ &quot;A&quot;\uff08score\u304c85\u3067\u300190\u672a\u6e80\u30fb80\u4ee5\u4e0a\u306b\u8a72\u5f53\uff09<\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001\u4e0a\u304b\u3089\u9806\u306b\u300c90\u70b9\u4ee5\u4e0a\u304b\u300d\u300c\uff08\u305d\u3046\u3067\u306a\u3044\u306a\u3089\uff0980\u70b9\u4ee5\u4e0a\u304b\u300d\u300c\uff08\u305d\u3046\u3067\u3082\u306a\u3044\u306a\u3089\uff0960\u70b9\u4ee5\u4e0a\u304b\u300d\u3068\u3044\u3046\u5177\u5408\u306b\u3001<strong>1\u3064\u524d\u306e\u6761\u4ef6\u304c\u6210\u308a\u7acb\u305f\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u306e\u307f\u6b21\u306e\u6761\u4ef6\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u307e\u3059<\/strong>\u3002score=85\u306f\u6700\u521d\u306e\u300c90\u4ee5\u4e0a\u300d\u306b\u306f\u8a72\u5f53\u3057\u307e\u305b\u3093\u304c\u3001\u6b21\u306e\u300c80\u4ee5\u4e0a\u300d\u306b\u8a72\u5f53\u3059\u308b\u305f\u3081\u3001\u305d\u3053\u3067grade\u304c\"A\"\u306b\u78ba\u5b9a\u3057\u3001\u4ee5\u964d\u306e\u6761\u4ef6\u306f\u8a55\u4fa1\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3-1. \u3088\u304f\u3042\u308b\u4e8b\u6545\uff1a\u6761\u4ef6\u306e\u9806\u756a\u304c\u9006\u3067\u3001\u5f8c\u308d\u306e\u5206\u5c90\u306b\u6c38\u9060\u306b\u5230\u9054\u3057\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">else if\u30c1\u30a7\u30fc\u30f3\u3067\u6700\u3082\u591a\u3044\u30df\u30b9\u306f\u3001<strong>\u5e83\u3044\u6761\u4ef6\u3092\u5148\u306b\u3001\u72ed\u3044\u6761\u4ef6\u3092\u5f8c\u306b\u66f8\u3044\u3066\u3057\u307e\u3046<\/strong>\u3053\u3068\u3067\u3059\u3002\u6b21\u306e\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ NG\u4f8b\uff1a\u6761\u4ef6\u306e\u9806\u756a\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\nlet score = 85;\nlet grade;\n\nif (score &gt;= 60) {\n    grade = &quot;\u5408\u683c&quot;;\n} else if (score &gt;= 80) {\n    grade = &quot;\u512a\u79c0&quot;;  \/\/ \u2190 \u3053\u306e\u884c\u306b\u306f\u6c38\u9060\u306b\u5230\u9054\u3057\u306a\u3044\n} else {\n    grade = &quot;\u4e0d\u5408\u683c&quot;;\n}\n\nconsole.log(grade); \/\/ &quot;\u5408\u683c&quot;\uff08score=85\u3067\u3082&quot;\u512a\u79c0&quot;\u306b\u306f\u306a\u3089\u306a\u3044\uff09<\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">score=85\u306f\u672c\u6765\u300c\u512a\u79c0\uff0880\u70b9\u4ee5\u4e0a\uff09\u300d\u306b\u8a72\u5f53\u3057\u3066\u307b\u3057\u3044\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u5148\u306b\u66f8\u304b\u308c\u305f\u300cscore >= 60\u300d\u306b\u5148\u306b\u30de\u30c3\u30c1\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u305d\u3053\u3067\u5224\u5b9a\u304c\u78ba\u5b9a\u3057\u3001\u5f8c\u308d\u306e\u300cscore >= 80\u300d\u306e\u5206\u5c90\u306b\u306f<strong>\u3069\u3093\u306a\u70b9\u6570\u3067\u3082\u7d76\u5bfe\u306b\u5230\u9054\u3057\u307e\u305b\u3093<\/strong>\u3002\u3053\u308c\u306f\u69cb\u6587\u30a8\u30e9\u30fc\u306b\u306f\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u30c6\u30b9\u30c8\u3057\u306a\u3044\u3068\u6c17\u3065\u304d\u306b\u304f\u3044\u5178\u578b\u7684\u306a\u4e8b\u6545\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">else if\u30c1\u30a7\u30fc\u30f3\u306f\u300c\u72ed\u3044\u6761\u4ef6\uff08\u53b3\u3057\u3044\u6761\u4ef6\uff09\u307b\u3069\u5148\u306b\u300d\u66f8\u304f<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">score >= 90 \u2192 score >= 80 \u2192 score >= 60 \u306e\u3088\u3046\u306b\u3001\u7bc4\u56f2\u304c\u72ed\u3044\uff08\uff1d\u3088\u308a\u9650\u5b9a\u7684\u306a\uff09\u6761\u4ef6\u304b\u3089\u5148\u306b\u4e26\u3079\u308b\u306e\u304c\u9244\u5247\u3067\u3059\u3002\u5e83\u3044\u6761\u4ef6\u3092\u5148\u306b\u66f8\u304f\u3068\u3001\u5f8c\u308d\u306b\u7d9a\u304f\u6761\u4ef6\u304c\u3069\u3093\u306a\u5024\u3067\u3082\u5b9f\u884c\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u696d\u52d9\u30eb\u30fc\u30eb\u3092if\u6587\u306b\u843d\u3068\u3057\u8fbc\u3080\u3068\u304d\u306f\u3001\u3053\u306e\u9806\u5e8f\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u6700\u521d\u306eif\u6761\u4ef6\u3092<br>\u30c1\u30a7\u30c3\u30af<\/strong><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u771f\u306a\u3089\u305d\u306e<br>\u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c<br>\u3057\u3066\u7d42\u4e86<\/strong><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u507d\u306a\u3089\u6b21\u306e<br>else if\u3078<\/strong><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u8a72\u5f53\u3059\u308b\u3082\u306e\u304c<br>\u306a\u3051\u308c\u3070else\u3092<br>\u5b9f\u884c<\/strong><\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u306e\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u76f8\u8ac7\u3067\u3082\u3001\u300c\u5272\u5f15\u30eb\u30fc\u30eb\u3092\u4f5c\u3063\u305f\u306e\u306b\u3001\u9ad8\u984d\u30d7\u30e9\u30f3\u306e\u304a\u5ba2\u69d8\u306b\u4f4e\u984d\u30d7\u30e9\u30f3\u5411\u3051\u306e\u5272\u5f15\u304c\u9069\u7528\u3055\u308c\u3066\u3057\u307e\u3046\u300d\u3068\u3044\u3063\u305f\u4e0d\u5177\u5408\u306e\u76f8\u8ac7\u3092\u53d7\u3051\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u56e0\u3092\u898b\u308b\u3068\u3001\u305f\u3044\u3066\u3044else if\u306e\u9806\u5e8f\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3067\u3057\u305f\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-04\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">04<\/span>\n  <span class=\"section-label\" style=\"display:block;\">LOGICAL OPERATORS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u8ad6\u7406\u6f14\u7b97\u5b50\u3067\u8907\u6570\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\uff08&&\u30fb||\u30fb!\uff09<\/span>\n  <span class=\"section-desc\">\u300cA\u304b\u3064B\u300d\u300cA\u307e\u305f\u306fB\u300d\u300cA\u3067\u306f\u306a\u3044\u300d\u30921\u3064\u306e\u6761\u4ef6\u5f0f\u306b\u307e\u3068\u3081\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u696d\u52d9\u30eb\u30fc\u30eb\u306f\u300c1\u3064\u306e\u6761\u4ef6\u3060\u3051\u300d\u3067\u5b8c\u7d50\u3057\u306a\u3044\u3053\u3068\u3082\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u300c\u6cd5\u4eba\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<strong>\u304b\u3064<\/strong>\u5f93\u696d\u54e1\u657010\u540d\u4ee5\u4e0a\u300d\u300c\u571f\u65e5<strong>\u307e\u305f\u306f<\/strong>\u795d\u65e5\u300d\u3068\u3044\u3063\u305f\u8907\u5408\u6761\u4ef6\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u4f7f\u3046\u306e\u304c<strong>\u8ad6\u7406\u6f14\u7b97\u5b50<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u8ad6\u7406\u6f14\u7b97\u5b50\uff08&&\u30fb||\u30fb!\uff09<\/strong>\uff1a\u8907\u6570\u306e\u6761\u4ef6\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u305f\u3081\u306e\u8a18\u53f7\u3002\u300c&&\u300d\uff08AND\u3001\u304b\u3064\uff09\u306f\u4e21\u65b9\u306e\u6761\u4ef6\u304ctrue\u306e\u3068\u304d\u3060\u3051\u5168\u4f53\u304ctrue\u306b\u306a\u308b\u3002\u300c||\u300d\uff08OR\u3001\u307e\u305f\u306f\uff09\u306f\u3069\u3061\u3089\u304b\u4e00\u65b9\u3067\u3082true\u306a\u3089\u5168\u4f53\u304ctrue\u306b\u306a\u308b\u3002\u300c!\u300d\uff08NOT\u3001\u5426\u5b9a\uff09\u306f\u6761\u4ef6\u306e\u771f\u507d\u3092\u53cd\u8ee2\u3055\u305b\u308b\u3002\u3044\u305a\u308c\u3082if\u6587\u306e\u6761\u4ef6\u5f0f\u306e\u4e2d\u3067\u8907\u6570\u6761\u4ef6\u30921\u884c\u306b\u307e\u3068\u3081\u308b\u305f\u3081\u306b\u4f7f\u3046\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u6f14\u7b97\u5b50<\/th><th>\u8aad\u307f\u65b9<\/th><th>\u610f\u5473<\/th><th>\u69cb\u6587\u4f8b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>&&<\/td><td>AND\uff08\u304b\u3064\uff09<\/td><td>\u4e21\u65b9\u306e\u6761\u4ef6\u304ctrue\u306e\u3068\u304d\u3060\u3051\u5168\u4f53\u304ctrue<\/td><td>a >= 10 && b === \"\u6cd5\u4eba\"<\/td><\/tr>\n<tr><td>||<\/td><td>OR\uff08\u307e\u305f\u306f\uff09<\/td><td>\u3069\u3061\u3089\u304b\u4e00\u65b9\u3067\u3082true\u306a\u3089\u5168\u4f53\u304ctrue<\/td><td>day === \"\u571f\" || day === \"\u65e5\"<\/td><\/tr>\n<tr><td>!<\/td><td>NOT\uff08\u5426\u5b9a\uff09<\/td><td>\u6761\u4ef6\u306e\u771f\u507d\u3092\u53cd\u8ee2\u3055\u305b\u308b<\/td><td>!isApproved<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u696d\u52d9\u30eb\u30fc\u30eb\u306e\u4f8b\uff1a\u6cd5\u4eba\u30e1\u30fc\u30eb \u304b\u3064 \u5f93\u696d\u54e1\u657010\u540d\u4ee5\u4e0a\u306a\u3089\u512a\u5148\u5bfe\u5fdc\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\nlet emailDomain = &quot;example.co.jp&quot;;\nlet employeeCount = 25;\nlet isCorporateEmail = !emailDomain.endsWith(&quot;gmail.com&quot;) &amp;&amp; !emailDomain.endsWith(&quot;yahoo.co.jp&quot;);\n\nif (isCorporateEmail &amp;&amp; employeeCount &gt;= 10) {\n    console.log(&quot;\u512a\u5148\u5bfe\u5fdc\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0&quot;);\n} else {\n    console.log(&quot;\u901a\u5e38\u5bfe\u5fdc&quot;);\n}\n\/\/ \u5b9f\u884c\u7d50\u679c: &quot;\u512a\u5148\u5bfe\u5fdc\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0&quot; <\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001\u300c\u6cd5\u4eba\u30c9\u30e1\u30a4\u30f3\u3089\u3057\u304d\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b\u3053\u3068\u300d\u3068\u300c\u5f93\u696d\u54e1\u6570\u304c10\u540d\u4ee5\u4e0a\u3067\u3042\u308b\u3053\u3068\u300d\u306e<strong>\u4e21\u65b9<\/strong>\u3092\u6e80\u305f\u3057\u305f\u3068\u304d\u3060\u3051\u512a\u5148\u5bfe\u5fdc\u30d5\u30e9\u30b0\u304c\u7acb\u3061\u307e\u3059\u3002&&\u3067\u3064\u306a\u3044\u3060\u6761\u4ef6\u306f\u3001<strong>\u7247\u65b9\u3067\u3082false\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u5168\u4f53\u304cfalse<\/strong>\u306b\u306a\u308b\u70b9\u3092\u62bc\u3055\u3048\u3066\u304a\u304f\u3068\u3001\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u3082\u8aad\u307f\u89e3\u304d\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-1. \u6761\u4ef6\u304c\u5897\u3048\u308b\u307b\u3069\u3001\u8aad\u307f\u3084\u3059\u3055\u3092\u610f\u8b58\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">&&\u3084||\u3092\u4f55\u500b\u3082\u9023\u7d9a\u3067\u3064\u306a\u3052\u308b\u3068\u3001\u6761\u4ef6\u5f0f\u304c\u9577\u304f\u306a\u308a\u3001\u5f8c\u304b\u3089\u8aad\u307f\u8fd4\u3057\u305f\u3068\u304d\u306b\u7406\u89e3\u3057\u3065\u3089\u304f\u306a\u308a\u307e\u3059\u3002\u5b9f\u52d9\u3067\u306f\u3001\u8907\u96d1\u306a\u6761\u4ef6\u30921\u884c\u306b\u307e\u3068\u3081\u308b\u3088\u308a\u3001<strong>\u610f\u5473\u306e\u3042\u308b\u5358\u4f4d\u3067\u5909\u6570\u306b\u5206\u3051\u3066\u304b\u3089\u7d44\u307f\u5408\u308f\u305b\u308b<\/strong>\u65b9\u304c\u3001\u4fee\u6b63\u6642\u306e\u30df\u30b9\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u8aad\u307f\u306b\u304f\u3044\u4f8b\nif (amount &gt;= 100000 &amp;&amp; (dept === &quot;\u55b6\u696d&quot; || dept === &quot;\u958b\u767a&quot;) &amp;&amp; !isCancelled &amp;&amp; userLevel &gt;= 3) {\n    \/\/ ...\n}\n\n\/\/ \u610f\u5473\u306e\u5358\u4f4d\u3067\u5909\u6570\u306b\u5206\u3051\u305f\u4f8b\uff08\u8aad\u307f\u3084\u3059\u3044\uff09\nlet isHighAmount = amount &gt;= 100000;\nlet isTargetDept = (dept === &quot;\u55b6\u696d&quot; || dept === &quot;\u958b\u767a&quot;);\nlet isActive = !isCancelled;\nlet hasEnoughLevel = userLevel &gt;= 3;\n\nif (isHighAmount &amp;&amp; isTargetDept &amp;&amp; isActive &amp;&amp; hasEnoughLevel) {\n    \/\/ ...\n}<\/pre>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u6761\u4ef6\u3092\u5909\u6570\u540d\u3068\u3057\u3066\u8a00\u8a9e\u5316\u3057\u3066\u304a\u304f\u3068\u3001\u534a\u5e74\u5f8c\u306b\u81ea\u5206\u3067\u30b3\u30fc\u30c9\u3092\u898b\u8fd4\u3057\u305f\u3068\u304d\u3082\u300c\u3053\u308c\u306f\u4f55\u3092\u5224\u5b9a\u3057\u3066\u3044\u305f\u3093\u3060\u3063\u3051\u300d\u3068\u8ff7\u308f\u305a\u306b\u6e08\u307f\u307e\u3059\u3002\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u5206\u89e3\u3059\u308b\u529b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u77e5\u8b58\u4ee5\u4e0a\u306b\u4fa1\u5024\u304c\u3042\u308b\u90e8\u5206\u3060\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-05\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">05<\/span>\n  <span class=\"section-label\" style=\"display:block;\">EQUALITY OPERATORS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">==\u3068===\u306e\u9055\u3044\uff1aJavaScript\u7279\u6709\u306e\u843d\u3068\u3057\u7a74<\/span>\n  <span class=\"section-desc\">\u300c\u578b\u5909\u63db\u3055\u308c\u308b\u6bd4\u8f03\u300d\u3068\u300c\u578b\u307e\u3067\u542b\u3081\u3066\u6bd4\u8f03\u300d\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u306b\u306f\u300c\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u300d\u3092\u8abf\u3079\u308b\u6f14\u7b97\u5b50\u304c2\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<strong>==\uff08\u7de9\u3084\u304b\u306a\u7b49\u4fa1\u6f14\u7b97\u5b50\uff09<\/strong>\u3068<strong>===\uff08\u53b3\u5bc6\u306a\u7b49\u4fa1\u6f14\u7b97\u5b50\uff09<\/strong>\u3067\u3059\u3002\u3053\u306e2\u3064\u306f\u898b\u305f\u76ee\u304c\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u52d5\u4f5c\u306f\u660e\u78ba\u306b\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u7de9\u3084\u304b\u306a\u7b49\u4fa1\u6f14\u7b97\u5b50\uff08==\uff09<\/strong>\uff1a2\u3064\u306e\u5024\u3092\u6bd4\u8f03\u3059\u308b\u969b\u3001\u578b\uff08\u6570\u5024\u304b\u6587\u5b57\u5217\u304b\u306a\u3069\uff09\u304c\u7570\u306a\u308b\u5834\u5408\u306f\u3001JavaScript\u304c\u81ea\u52d5\u7684\u306b\u578b\u3092\u5909\u63db\uff08\u578b\u5909\u63db\uff09\u3057\u3066\u304b\u3089\u6bd4\u8f03\u3059\u308b\u6f14\u7b97\u5b50\u3002\u305f\u3068\u3048\u3070\u6570\u5024\u306e0\u3068\u6587\u5b57\u5217\u306e\"0\"\u306f\u3001==\u3067\u6bd4\u8f03\u3059\u308b\u3068\u578b\u5909\u63db\u3055\u308c\u305f\u7d50\u679ctrue\u306b\u306a\u308b\u3002\u76f4\u611f\u3068\u7570\u306a\u308b\u7d50\u679c\u306b\u306a\u308a\u3084\u3059\u3044\u305f\u3081\u3001\u696d\u52d9\u30b3\u30fc\u30c9\u3067\u306e\u591a\u7528\u306f\u63a8\u5968\u3055\u308c\u306a\u3044\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u53b3\u5bc6\u306a\u7b49\u4fa1\u6f14\u7b97\u5b50\uff08===\uff09<\/strong>\uff1a2\u3064\u306e\u5024\u306e\u300c\u578b\u300d\u3068\u300c\u5024\u300d\u306e\u4e21\u65b9\u304c\u4e00\u81f4\u3059\u308b\u5834\u5408\u306e\u307ftrue\u3092\u8fd4\u3059\u6f14\u7b97\u5b50\u3002\u578b\u5909\u63db\u306f\u4e00\u5207\u884c\u308f\u308c\u306a\u3044\u3002\u6570\u5024\u306e0\u3068\u6587\u5b57\u5217\u306e\"0\"\u306f\u3001\u578b\u304c\u7570\u306a\u308b\u305f\u3081===\u3067\u6bd4\u8f03\u3059\u308b\u3068\u5fc5\u305afalse\u306b\u306a\u308b\u3002\u610f\u56f3\u3057\u306a\u3044\u578b\u5909\u63db\u306b\u3088\u308b\u30d0\u30b0\u3092\u9632\u3052\u308b\u305f\u3081\u3001JavaScript\u3067\u306f\u57fa\u672c\u7684\u306b===\u306e\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">console.log(0 == &quot;0&quot;);     \/\/ true  \uff08\u6587\u5b57\u5217&quot;0&quot;\u304c\u6570\u50240\u306b\u578b\u5909\u63db\u3055\u308c\u3066\u6bd4\u8f03\u3055\u308c\u308b\uff09\nconsole.log(0 === &quot;0&quot;);    \/\/ false \uff08\u578b\u304c\u6570\u5024\u3068\u6587\u5b57\u5217\u3067\u7570\u306a\u308b\u305f\u3081\u4e00\u81f4\u3057\u306a\u3044\uff09\n\nconsole.log(1 == &quot;1&quot;);     \/\/ true\nconsole.log(1 === &quot;1&quot;);    \/\/ false\n\nconsole.log(null == undefined);   \/\/ true  \uff08\u3053\u306e2\u3064\u3060\u3051\u306f==\u3067\u7279\u5225\u306b\u4e00\u81f4\u3059\u308b\uff09\nconsole.log(null === undefined);  \/\/ false \uff08\u578b\u304c\u7570\u306a\u308b\u305f\u3081\u4e00\u81f4\u3057\u306a\u3044\uff09<\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u4f8b\u304c\u793a\u3059\u3068\u304a\u308a\u3001<strong>==\u306f\u300c\u578b\u304c\u9055\u3063\u3066\u3082\u3001\u5024\u3068\u3057\u3066\u306e\u610f\u5473\u304c\u540c\u3058\u306a\u3089\u4e00\u81f4\u3068\u307f\u306a\u3059\u300d<\/strong>\u306e\u306b\u5bfe\u3057\u3001<strong>===\u306f\u300c\u578b\u307e\u3067\u5b8c\u5168\u306b\u540c\u3058\u3067\u306a\u3051\u308c\u3070\u4e00\u81f4\u3068\u307f\u306a\u3055\u306a\u3044\u300d<\/strong>\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30e0\u306e\u5165\u529b\u5024\uff08\u591a\u304f\u306e\u5834\u5408\u306f\u6587\u5b57\u5217\uff09\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u90e8\u3067\u6271\u3046\u6570\u5024\u3092\u6bd4\u8f03\u3059\u308b\u3088\u3046\u306a\u5834\u9762\u3067\u306f\u3001==\u3092\u4f7f\u3046\u3068\u610f\u56f3\u3057\u306a\u3044\u4e00\u81f4\u30fb\u4e0d\u4e00\u81f4\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u696d\u52d9\u30b3\u30fc\u30c9\u3067\u306f\u57fa\u672c\u7684\u306b=== \/ !== \u3092\u4f7f\u3046<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">==\u306f\u578b\u5909\u63db\u3068\u3044\u3046\u300c\u898b\u3048\u306a\u3044\u6319\u52d5\u300d\u3092\u4f34\u3046\u305f\u3081\u3001\u6bd4\u8f03\u7d50\u679c\u304c\u76f4\u611f\u3068\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002JavaScript\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04\u306e\u591a\u304f\u304c\u3001\u660e\u793a\u7684\u306b\u578b\u3092\u5909\u63db\u3057\u305f\u3044\u5834\u5408\u3092\u9664\u3044\u3066===\uff08\u304a\u3088\u3073!==\uff09\u306e\u4f7f\u7528\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u5165\u529b\u5024\u3092\u6570\u5024\u3068\u3057\u3066\u6bd4\u8f03\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u5148\u306bNumber()\u306a\u3069\u3067\u578b\u3092\u5909\u63db\u3057\u3066\u304b\u3089===\u3067\u6bd4\u8f03\u3059\u308b\u306e\u304c\u5b89\u5168\u306a\u66f8\u304d\u65b9\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-1. switch\u6587\u306f\u5185\u90e8\u7684\u306b\u53b3\u5bc6\u6bd4\u8f03\uff08===\u76f8\u5f53\uff09\u3067\u52d5\u304f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f8c\u8ff0\u3059\u308bswitch\u6587\u3082\u3001case\u53e5\u3068\u306e\u6bd4\u8f03\u306f<strong>\u578b\u307e\u3067\u542b\u3081\u3066\u53b3\u5bc6\u306b\u4e00\u81f4\u3059\u308b\u304b\u3069\u3046\u304b<\/strong>\u3067\u5224\u5b9a\u3055\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u6570\u5024\u306e1\u3068\u6587\u5b57\u5217\u306e\"1\"\u306f\u3001switch\u6587\u306e\u4e2d\u3067\u306f\u5225\u306e\u5024\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u305f\u3081\u3001\u6bd4\u8f03\u5bfe\u8c61\u306e\u578b\u304c\u3042\u3089\u304b\u3058\u3081\u63c3\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">==\u3068===\u306e\u9055\u3044\u306f\u3001JavaScript\u3092\u5b66\u3076\u4eba\u304c\u6700\u521d\u306b\u3064\u307e\u305a\u304f\u4ee3\u8868\u7684\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u300c\u306a\u305c\u304b\u610f\u56f3\u3057\u305f\u5206\u5c90\u306b\u5165\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u4e0d\u5177\u5408\u306e\u539f\u56e0\u3092\u8abf\u3079\u308b\u3068\u3001\u3053\u306e\u578b\u5909\u63db\u306e\u6319\u52d5\u304c\u7d61\u3093\u3067\u3044\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-06\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">06<\/span>\n  <span class=\"section-label\" style=\"display:block;\">TRUTHY AND FALSY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">truthy\/falsy\u3068\u3044\u3046\u8003\u3048\u65b9\uff1a\u300c\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u300d\u5024\u3068\u306f<\/span>\n  <span class=\"section-desc\">if\u6587\u306e\u6761\u4ef6\u5f0f\u306b\u5024\u3092\u305d\u306e\u307e\u307e\u5165\u308c\u305f\u3068\u304d\u306e\u3001JavaScript\u72ec\u7279\u306e\u5224\u5b9a\u30eb\u30fc\u30eb<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u306eif\u6587\u306f\u3001\u6761\u4ef6\u5f0f\u306b\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u308f\u305a\u3001<strong>\u5024\u305d\u306e\u3082\u306e\u3092\u6761\u4ef6\u5f0f\u306b\u66f8\u304f<\/strong>\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001JavaScript\u306f\u305d\u306e\u5024\u3092\u81ea\u52d5\u7684\u306btrue\u307e\u305f\u306ffalse\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u3053\u306e\u6027\u8cea\u3092<strong>truthy\uff08\u771f\u3068\u3057\u3066\u6271\u308f\u308c\u308b\uff09<\/strong>\uff0f<strong>falsy\uff08\u507d\u3068\u3057\u3066\u6271\u308f\u308c\u308b\uff09<\/strong>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>truthy \/ falsy<\/strong>\uff1a\u6761\u4ef6\u5f0f\u306e\u4e2d\u3067\u5024\u305d\u306e\u3082\u306e\u304c\u8a55\u4fa1\u3055\u308c\u308b\u3068\u304d\u3001JavaScript\u304c\u305d\u306e\u5024\u3092true\u76f8\u5f53\uff08truthy\uff09\u3068false\u76f8\u5f53\uff08falsy\uff09\u306e\u3069\u3061\u3089\u3068\u3057\u3066\u6271\u3046\u304b\u3092\u8868\u3059\u8003\u3048\u65b9\u3002falsy\u3068\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5024\u306f false\u30fb0\u30fb\"\"\uff08\u7a7a\u6587\u5b57\u5217\uff09\u30fbnull\u30fbundefined\u30fbNaN \u306e6\u7a2e\u985e\u306e\u307f\u3067\u3001\u305d\u308c\u4ee5\u5916\u306e\u5024\uff08\u6587\u5b57\u5217\"0\"\u3084\u7a7a\u306e\u914d\u5217[]\u3001\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8{}\u3092\u542b\u3080\uff09\u306f\u3059\u3079\u3066truthy\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u5024<\/th><th>truthy \/ falsy<\/th><th>\u5099\u8003<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>false<\/td><td>falsy<\/td><td>\u305d\u306e\u307e\u307efalse\u3068\u3057\u3066\u6271\u308f\u308c\u308b<\/td><\/tr>\n<tr><td>0<\/td><td>falsy<\/td><td>\u6570\u5024\u306e\u30bc\u30ed<\/td><\/tr>\n<tr><td>\"\"\uff08\u7a7a\u6587\u5b57\u5217\uff09<\/td><td>falsy<\/td><td>\u4e2d\u8eab\u304c\u7a7a\u306e\u6587\u5b57\u5217<\/td><\/tr>\n<tr><td>null<\/td><td>falsy<\/td><td>\u5024\u304c\u610f\u56f3\u7684\u306b\u300c\u7121\u3044\u300d\u3053\u3068\u3092\u793a\u3059<\/td><\/tr>\n<tr><td>undefined<\/td><td>falsy<\/td><td>\u5024\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b<\/td><\/tr>\n<tr><td>NaN<\/td><td>falsy<\/td><td>\u6570\u5024\u3068\u3057\u3066\u8a08\u7b97\u306b\u5931\u6557\u3057\u305f\u7d50\u679c<\/td><\/tr>\n<tr><td>\"0\"\uff08\u6587\u5b57\u5217\u306e0\uff09<\/td><td>truthy<\/td><td>\u7a7a\u6587\u5b57\u3067\u306f\u306a\u3044\u305f\u3081truthy\u6271\u3044\u306b\u306a\u308b<\/td><\/tr>\n<tr><td>[]\uff08\u7a7a\u306e\u914d\u5217\uff09<\/td><td>truthy<\/td><td>\u4e2d\u8eab\u304c\u7a7a\u3067\u3082\u914d\u5217\u81ea\u4f53\u306ftruthy<\/td><\/tr>\n<tr><td>{}\uff08\u7a7a\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09<\/td><td>truthy<\/td><td>\u540c\u4e0a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u81ea\u4f53\u306ftruthy<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u5728\u5eab\u6570\u3092\u6761\u4ef6\u5f0f\u306b\u305d\u306e\u307e\u307e\u5165\u308c\u308b\u4f8b\nlet stockCount = 0;\n\nif (stockCount) {\n    console.log(&quot;\u5728\u5eab\u3042\u308a: &quot; + stockCount + &quot;\u500b&quot;);\n} else {\n    console.log(&quot;\u5728\u5eab\u306a\u3057\u3001\u307e\u305f\u306f\u672a\u5165\u529b&quot;);\n}\n\/\/ \u5b9f\u884c\u7d50\u679c: &quot;\u5728\u5eab\u306a\u3057\u3001\u307e\u305f\u306f\u672a\u5165\u529b&quot;\n\/\/ stockCount\u306f\u300c\u5728\u5eab0\u500b\u300d\u3068\u3044\u3046\u6b63\u5f53\u306a\u5024\u3060\u304c\u30010\u306ffalsy\u306a\u306e\u3067else\u5074\u306b\u5165\u3063\u3066\u3057\u307e\u3046<\/pre>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6-1. \u300c0\u4ef6\u300d\u3068\u300c\u672a\u5165\u529b\u300d\u3092\u533a\u5225\u3067\u304d\u306a\u3044\u3001\u3068\u3044\u3046\u5b9f\u52d9\u4e0a\u306e\u7f60<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u4f8b\u306f\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u3088\u304f\u8d77\u304d\u308b\u5178\u578b\u7684\u306a\u4e0d\u5177\u5408\u3067\u3059\u3002<strong>\u300c\u5728\u5eab\u304c0\u500b\u300d\u3068\u3044\u3046\u6b63\u5f53\u306a\u696d\u52d9\u30c7\u30fc\u30bf<\/strong>\u3068\u3001<strong>\u300c\u305d\u3082\u305d\u3082\u5024\u304c\u5165\u529b\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u7570\u5e38\u30c7\u30fc\u30bf<\/strong>\u306f\u672c\u6765\u307e\u3063\u305f\u304f\u5225\u306e\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u3069\u3061\u3089\u3082falsy\u3068\u5224\u5b9a\u3055\u308c\u308b\u305f\u3081\u3001\u5358\u7d14\u306bif (stockCount)\u3068\u66f8\u3044\u3066\u3057\u307e\u3046\u3068\u533a\u5225\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u6539\u5584\u4f8b\uff1a0\u3068null\/undefined\u3092\u660e\u78ba\u306b\u533a\u5225\u3059\u308b\nlet stockCount = 0;\n\nif (stockCount === null || stockCount === undefined) {\n    console.log(&quot;\u5728\u5eab\u6570\u304c\u672a\u5165\u529b\u3067\u3059&quot;);\n} else if (stockCount === 0) {\n    console.log(&quot;\u5728\u5eab\u306f0\u500b\u3067\u3059\uff08\u8981\u767a\u6ce8\uff09&quot;);\n} else {\n    console.log(&quot;\u5728\u5eab\u3042\u308a: &quot; + stockCount + &quot;\u500b&quot;);\n}\n\/\/ \u5b9f\u884c\u7d50\u679c: &quot;\u5728\u5eab\u306f0\u500b\u3067\u3059\uff08\u8981\u767a\u6ce8\uff09&quot; <\/pre>\n<\/div>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u6570\u91cf\u30fb\u91d1\u984d\u306a\u3069\u306e\u300c0\u304c\u610f\u5473\u3092\u6301\u3064\u5024\u300d\u306f\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a\u3059\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5728\u5eab\u6570\u30fb\u4ef6\u6570\u30fb\u91d1\u984d\u306e\u3088\u3046\u306b\u300c0\u300d\u81ea\u4f53\u304c\u696d\u52d9\u4e0a\u91cd\u8981\u306a\u5024\u306b\u306a\u308a\u5f97\u308b\u9805\u76ee\u306f\u3001if (\u5024)\u306e\u3088\u3046\u306btruthy\/falsy\u4efb\u305b\u3067\u5224\u5b9a\u305b\u305a\u3001=== 0\u3084=== null\u3001=== undefined\u306e\u3088\u3046\u306b<strong>\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a<\/strong>\u3059\u308b\u3053\u3068\u3092\u5fb9\u5e95\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u4e00\u624b\u9593\u3092\u7701\u304f\u3068\u300c0\u4ef6\u306a\u306e\u306b\u6b63\u3057\u304f\u691c\u77e5\u3067\u304d\u306a\u3044\u300d\u4e0d\u5177\u5408\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">truthy\/falsy\u306fJavaScript\u7279\u6709\u306e\u4ed5\u69d8\u3067\u3001\u4ed6\u306e\u8a00\u8a9e\u306e\u7d4c\u9a13\u304c\u3042\u3063\u3066\u3082\u5f15\u3063\u304b\u304b\u308a\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u300c0\u3084\u7a7a\u6587\u5b57\u304c\u306a\u305c\u304bfalse\u6271\u3044\u306b\u306a\u308b\u300d\u3068\u3044\u3046\u6319\u52d5\u3092\u77e5\u3089\u305a\u306b\u6761\u4ef6\u5206\u5c90\u3092\u7d44\u3080\u3068\u3001\u696d\u52d9\u30c7\u30fc\u30bf\u304c\u6b20\u843d\u3057\u305f\u969b\u306b\u30b5\u30a4\u30ec\u30f3\u30c8\u306b\u8aa4\u52d5\u4f5c\u3059\u308b\u6016\u3055\u304c\u3042\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-07\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">07<\/span>\n  <span class=\"section-label\" style=\"display:block;\">SWITCH & TERNARY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">switch\u6587\u30fb\u4e09\u9805\u6f14\u7b97\u5b50\u3068\u306e\u4f7f\u3044\u5206\u3051<\/span>\n  <span class=\"section-desc\">\u540c\u3058\u5024\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u5206\u5c90\u304c\u3042\u308b\u5834\u5408\u3001if\u6587\u4ee5\u5916\u306e\u9078\u629e\u80a2\u3082\u3042\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u306e\u5024\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5224\u5b9a\u3057\u305f\u3044\u5834\u5408\u3001else if\u3092\u4f55\u5ea6\u3082\u91cd\u306d\u308b\u4ee3\u308f\u308a\u306b<strong>switch\u6587<\/strong>\u3092\u4f7f\u3046\u3068\u3001\u30b3\u30fc\u30c9\u304c\u6574\u7406\u3057\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u300c\u6761\u4ef6\u306b\u3088\u3063\u3066\u4ee3\u5165\u3059\u308b\u5024\u30921\u884c\u3067\u5207\u308a\u66ff\u3048\u305f\u3044\u300d\u3060\u3051\u306e\u5358\u7d14\u306a\u30b1\u30fc\u30b9\u3067\u306f<strong>\u4e09\u9805\u6f14\u7b97\u5b50<\/strong>\u304c\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>switch\u6587<\/strong>\uff1a1\u3064\u306e\u5024\uff08\u5f0f\uff09\u306b\u5bfe\u3057\u3066\u3001\u8907\u6570\u306ecase\uff08\u30b1\u30fc\u30b9\uff09\u3092\u9806\u306b\u6bd4\u8f03\u3057\u3001\u4e00\u81f4\u3057\u305fcase\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u69cb\u6587\u3002else if\u3092\u4f55\u5ea6\u3082\u91cd\u306d\u308b\u3088\u308a\u898b\u305f\u76ee\u304c\u6574\u7406\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u305f\u3060\u3057case\u3068\u306e\u6bd4\u8f03\u306f\u578b\u307e\u3067\u542b\u3081\u305f\u53b3\u5bc6\u306a\u4e00\u81f4\uff08===\u76f8\u5f53\uff09\u3067\u884c\u308f\u308c\u308b\u70b9\u3001\u5404case\u51e6\u7406\u306e\u672b\u5c3e\u306bbreak\u3092\u66f8\u304d\u5fd8\u308c\u308b\u3068\u6b21\u306ecase\u306b\u51e6\u7406\u304c\u300c\u843d\u3061\u3066\u300d\u3057\u307e\u3046\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u4e09\u9805\u6f14\u7b97\u5b50\uff08?:\uff09<\/strong>\uff1a\u300c\u6761\u4ef6 ? \u771f\u306e\u5834\u5408\u306e\u5024 : \u507d\u306e\u5834\u5408\u306e\u5024\u300d\u3068\u3044\u3046\u66f8\u5f0f\u3067\u3001if\/else\u30921\u884c\u3067\u8868\u73fe\u3067\u304d\u308b\u6f14\u7b97\u5b50\u3002\u5909\u6570\u3078\u306e\u4ee3\u5165\u3084\u3001\u8868\u793a\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u306e\u5207\u308a\u66ff\u3048\u306a\u3069\u3001\u5358\u7d14\u306a\u4e8c\u629e\u306e\u5834\u9762\u3067\u4f7f\u308f\u308c\u308b\u3002\u6761\u4ef6\u5206\u5c90\u304c3\u3064\u4ee5\u4e0a\u306b\u306a\u3063\u305f\u308a\u3001\u51e6\u7406\u5185\u5bb9\u304c\u8907\u96d1\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u5834\u5408\u306fif\/else if\u3067\u66f8\u3044\u305f\u65b9\u304c\u53ef\u8aad\u6027\u304c\u9ad8\u3044\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ switch\u6587\u306e\u4f8b\uff1a\u90e8\u9580\u30b3\u30fc\u30c9\u306b\u5fdc\u3058\u305f\u51e6\u7406\u306e\u5207\u308a\u66ff\u3048\nlet deptCode = &quot;SALES&quot;;\n\nswitch (deptCode) {\n    case &quot;SALES&quot;:\n        console.log(&quot;\u55b6\u696d\u90e8\u306e\u51e6\u7406\u3092\u5b9f\u884c&quot;);\n        break;\n    case &quot;DEV&quot;:\n        console.log(&quot;\u958b\u767a\u90e8\u306e\u51e6\u7406\u3092\u5b9f\u884c&quot;);\n        break;\n    case &quot;ACC&quot;:\n        console.log(&quot;\u7d4c\u7406\u90e8\u306e\u51e6\u7406\u3092\u5b9f\u884c&quot;);\n        break;\n    default:\n        console.log(&quot;\u8a72\u5f53\u3059\u308b\u90e8\u9580\u304c\u3042\u308a\u307e\u305b\u3093&quot;);\n}\n\n\/\/ \u4e09\u9805\u6f14\u7b97\u5b50\u306e\u4f8b\uff1a\u5408\u5426\u5224\u5b9a\u30921\u884c\u3067\nlet score = 75;\nlet result = score &gt;= 60 ? &quot;\u5408\u683c&quot; : &quot;\u4e0d\u5408\u683c&quot;;\nconsole.log(result); \/\/ &quot;\u5408\u683c&quot; <\/pre>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u69cb\u6587<\/th><th>\u5411\u3044\u3066\u3044\u308b\u5834\u9762<\/th><th>\u6ce8\u610f\u70b9<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>if \/ else if<\/td><td>\u6761\u4ef6\u304c\u7bc4\u56f2\u3084\u8907\u5408\u6761\u4ef6\u3092\u542b\u3080\u5834\u5408<\/td><td>\u6761\u4ef6\u306e\u9806\u5e8f\u3092\u9593\u9055\u3048\u308b\u3068\u5f8c\u7d9a\u306b\u5230\u9054\u3057\u306a\u3044<\/td><\/tr>\n<tr><td>switch<\/td><td>1\u3064\u306e\u5024\u306b\u5bfe\u3057\u3066\u591a\u6570\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308b\u5834\u5408<\/td><td>break\u5fd8\u308c\u3067\u6b21\u306ecase\u306b\u51e6\u7406\u304c\u843d\u3061\u308b<\/td><\/tr>\n<tr><td>\u4e09\u9805\u6f14\u7b97\u5b50\uff08?:\uff09<\/td><td>\u5358\u7d14\u306a\u4e8c\u629e\u30921\u884c\u3067\u8868\u73fe\u3057\u305f\u3044\u5834\u5408<\/td><td>\u6761\u4ef6\u304c\u8907\u96d1\u306b\u306a\u308b\u3068\u9006\u306b\u8aad\u307f\u306b\u304f\u304f\u306a\u308b<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u8ff7\u3063\u305f\u3089if\/else if\u304c\u57fa\u672c\u3001\u4ed6\u306f\u300c\u8aad\u307f\u3084\u3059\u304f\u306a\u308b\u306a\u3089\u4f7f\u3046\u300d<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5b9f\u52d9\u3067\u306f\u3001\u307e\u305aif\/else if\u3067\u66f8\u3044\u3066\u307f\u3066\u3001\u300c\u540c\u3058\u5024\u306b\u5bfe\u3059\u308b\u5206\u5c90\u304c5\u500b\u30826\u500b\u3082\u4e26\u3076\u300d\u3088\u3046\u306a\u3089switch\u3078\u306e\u66f8\u304d\u63db\u3048\u3092\u691c\u8a0e\u3059\u308b\u3001\u3068\u3044\u3046\u9806\u756a\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002\u4e09\u9805\u6f14\u7b97\u5b50\u306f\u300c\u4ee3\u5165\u3059\u308b\u5024\u3092\u5207\u308a\u66ff\u3048\u308b\u3060\u3051\u300d\u306e\u3054\u304f\u5358\u7d14\u306a\u30b1\u30fc\u30b9\u306b\u9650\u5b9a\u3057\u3066\u4f7f\u3046\u3068\u3001\u30b3\u30fc\u30c9\u5168\u4f53\u306e\u53ef\u8aad\u6027\u3092\u4fdd\u3066\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">switch\u6587\u306ebreak\u5fd8\u308c\u306f\u3001\u521d\u5b66\u8005\u3060\u3051\u3067\u306a\u304f\u7d4c\u9a13\u8005\u3067\u3082\u8d77\u3053\u3057\u304c\u3061\u306a\u30df\u30b9\u3067\u3059\u3002\u300c\u3042\u308bcase\u306e\u51e6\u7406\u3092\u3057\u305f\u3089\u3001\u305d\u306e\u307e\u307e\u6b21\u306ecase\u306e\u51e6\u7406\u307e\u3067\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u300d\u3068\u3044\u3046\u4e0d\u5177\u5408\u306f\u3001switch\u6587\u7279\u6709\u306e\u843d\u3068\u3057\u7a74\u3068\u3057\u3066\u899a\u3048\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-08\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">08<\/span>\n  <span class=\"section-label\" style=\"display:block;\">PRACTICAL PATTERNS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u696d\u52d9\u3067\u306e\u6761\u4ef6\u5206\u5c90 \u5b9f\u8df5\u30d1\u30bf\u30fc\u30f3\u96c6<\/span>\n  <span class=\"section-desc\">\u627f\u8a8d\u30eb\u30fc\u30eb\u30fb\u5272\u5f15\u30eb\u30fc\u30eb\u30fb\u5165\u529b\u30c1\u30a7\u30c3\u30af\u3078\u306e\u5fdc\u7528\u4f8b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u7d39\u4ecb\u3057\u305f\u69cb\u6587\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u5b9f\u52d9\u3067\u3088\u304f\u3042\u308b\u5224\u65ad\u30eb\u30fc\u30eb\u306e\u591a\u304f\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8868\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8-1. \u91d1\u984d\u306b\u5fdc\u3058\u305f\u627f\u8a8d\u30eb\u30fc\u30c8\u5224\u5b9a<\/h3>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u7533\u8acb\u91d1\u984d\u306b\u5fdc\u3058\u3066\u627f\u8a8d\u30eb\u30fc\u30c8\u3092\u5909\u3048\u308b\nfunction getApprovalRoute(amount) {\n    if (amount &gt;= 1000000) {\n        return &quot;\u5f79\u54e1\u627f\u8a8d&quot;;\n    } else if (amount &gt;= 300000) {\n        return &quot;\u90e8\u9577\u627f\u8a8d&quot;;\n    } else if (amount &gt;= 50000) {\n        return &quot;\u8ab2\u9577\u627f\u8a8d&quot;;\n    } else {\n        return &quot;\u62c5\u5f53\u8005\u6c7a\u88c1&quot;;\n    }\n}\n\nconsole.log(getApprovalRoute(450000)); \/\/ &quot;\u90e8\u9577\u627f\u8a8d&quot; <\/pre>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">8-2. \u4f1a\u54e1\u30e9\u30f3\u30af\u306b\u5fdc\u3058\u305f\u5272\u5f15\u7387\u306e\u5224\u5b9a<\/h3>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u4f1a\u54e1\u30e9\u30f3\u30af\u3068\u8cfc\u5165\u91d1\u984d\u304b\u3089\u5272\u5f15\u7387\u3092\u6c7a\u3081\u308b\nfunction getDiscountRate(rank, amount) {\n    if (rank === &quot;\u30d7\u30e9\u30c1\u30ca&quot; &amp;&amp; amount &gt;= 50000) {\n        return 0.15;\n    } else if (rank === &quot;\u30d7\u30e9\u30c1\u30ca&quot; || amount &gt;= 50000) {\n        return 0.10;\n    } else if (rank === &quot;\u30b4\u30fc\u30eb\u30c9&quot;) {\n        return 0.05;\n    }\n    return 0;\n}\n\nconsole.log(getDiscountRate(&quot;\u30d7\u30e9\u30c1\u30ca&quot;, 30000)); \/\/ 0.10\uff08\u30d7\u30e9\u30c1\u30ca\u4f1a\u54e1\u306e\u305f\u3081\uff09<\/pre>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">8-3. \u30d5\u30a9\u30fc\u30e0\u5165\u529b\u30c1\u30a7\u30c3\u30af\uff08\u5fc5\u9808\u9805\u76ee\u30fb\u5f62\u5f0f\u30c1\u30a7\u30c3\u30af\uff09<\/h3>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ \u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u7c21\u6613\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\nfunction validateForm(email, phone) {\n    if (!email || email.trim() === &quot;&quot;) {\n        return &quot;\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306f\u5fc5\u9808\u3067\u3059&quot;;\n    }\n    if (!email.includes(&quot;@&quot;)) {\n        return &quot;\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u5f62\u5f0f\u304c\u6b63\u3057\u304f\u3042\u308a\u307e\u305b\u3093&quot;;\n    }\n    if (phone &amp;&amp; !\/^[0-9-]+$\/.test(phone)) {\n        return &quot;\u96fb\u8a71\u756a\u53f7\u306f\u6570\u5b57\u3068\u30cf\u30a4\u30d5\u30f3\u306e\u307f\u3067\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044&quot;;\n    }\n    return &quot;OK&quot;;\n}<\/pre>\n<\/div>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u627f\u8a8d\u30eb\u30fc\u30c8\u5224\u5b9a\uff1a\u91d1\u984d\u30fb\u90e8\u9580\u30fb\u7533\u8acb\u8005\u30e9\u30f3\u30af\u306a\u3069\u306e\u6761\u4ef6\u3067\u5206\u5c90\u3059\u308b\u627f\u8a8d\u30d5\u30ed\u30fc<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5272\u5f15\u30fb\u624b\u6570\u6599\u8a08\u7b97\uff1a\u4f1a\u54e1\u30e9\u30f3\u30af\u30fb\u8cfc\u5165\u91d1\u984d\u30fb\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u671f\u9593\u306a\u3069\u306e\u7d44\u307f\u5408\u308f\u305b\u6761\u4ef6<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5165\u529b\u30c1\u30a7\u30c3\u30af\uff1a\u5fc5\u9808\u9805\u76ee\u306e\u6709\u7121\u30fb\u5f62\u5f0f\uff08\u30e1\u30fc\u30eb\u30fb\u96fb\u8a71\u756a\u53f7\u306a\u3069\uff09\u306e\u59a5\u5f53\u6027\u5224\u5b9a<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8868\u793a\u306e\u51fa\u3057\u5206\u3051\uff1a\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u30fb\u6a29\u9650\u30ec\u30d9\u30eb\u306b\u3088\u3063\u3066\u898b\u305b\u308b\u60c5\u5831\u3092\u5909\u3048\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u901a\u77e5\u306e\u632f\u308a\u5206\u3051\uff1a\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u3084\u7dca\u6025\u5ea6\u306b\u3088\u3063\u3066\u901a\u77e5\u5148\u3092\u5909\u3048\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u3053\u3046\u3057\u305f\u30d1\u30bf\u30fc\u30f3\u306f\u30011\u3064\u3072\u3068\u3064\u306e\u30eb\u30fc\u30eb\u81ea\u4f53\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3082\u3001\u300c\u6761\u4ef6\u3092\u3069\u306e\u9806\u756a\u3067\u4e26\u3079\u308b\u304b\u300d\u300c==\u3068===\u306e\u3069\u3061\u3089\u3092\u4f7f\u3046\u304b\u300d\u300c0\u3084\u7a7a\u6587\u5b57\u3092\u3069\u3046\u6271\u3046\u304b\u300d\u3068\u3044\u3063\u305f\u3001\u3053\u306e\u8a18\u4e8b\u3067\u89e6\u308c\u3066\u304d\u305f\u6ce8\u610f\u70b9\u304c\u3059\u3079\u3066\u7d61\u3093\u3067\u304d\u307e\u3059\u3002\u30bc\u30ed\u304b\u3089\u66f8\u304d\u8d77\u3053\u3059\u3068\u3001\u5730\u5473\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u9818\u57df\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-09\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">09<\/span>\n  <span class=\"section-label\" style=\"display:block;\">GENAI CASE DATA<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u30c7\u30fc\u30bf\u3011GENAI\u5b9f\u904b\u7528\u306b\u304a\u3051\u308b\u6761\u4ef6\u5206\u5c90\u696d\u52d9\u306e\u5b9f\u614b<\/span>\n  <span class=\"section-desc\">\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u3068\u3044\u3046\u5224\u65ad\u696d\u52d9\u306b\u3001\u3069\u308c\u3060\u3051\u306e\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u305f\u304b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u3001\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u304c\u5b9f\u969b\u306b\u3069\u306e\u7a0b\u5ea6\u306e\u696d\u52d9\u6642\u9593\u3092\u300c\u6761\u4ef6\u5206\u5c90\u7684\u306a\u5224\u65ad\u696d\u52d9\u300d\u306e\u51e6\u7406\u30fb\u5b9f\u88c5\u306b\u8cbb\u3084\u3057\u3066\u3044\u305f\u304b\u3001\u793e\u5185\u306e\u5b9f\u904b\u7528\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002\u6761\u4ef6\u5206\u5c90\u305d\u306e\u3082\u306e\u306e\u69cb\u6587\u3088\u308a\u3082\u3001<strong>\u300c\u3069\u306e\u6761\u4ef6\u3092\u3001\u3069\u306e\u9806\u756a\u3067\u3001\u3069\u3046\u7d44\u307f\u5408\u308f\u305b\u308c\u3070\u76ee\u7684\u306e\u5224\u5b9a\u306b\u306a\u308b\u304b\u300d\u3092\u8a2d\u8a08\u3059\u308b\u6642\u9593<\/strong>\u304c\u3001\u898b\u3048\u306b\u304f\u3044\u30b3\u30b9\u30c8\u306b\u306a\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5229\u7528\u30d7\u30e9\u30f3<\/td><td>Claude Max 20x\uff08\u6708\u984d$200\uff0f\u7d0430,000\u5186\uff09<\/td><\/tr>\n<tr><td>\u5229\u7528\u958b\u59cb<\/td><td>2025\u5e74\u5f8c\u534a\u301c<\/td><\/tr>\n<tr><td>\u9069\u7528\u7bc4\u56f2<\/td><td>\u7d4c\u55b6\u30fb\u55b6\u696d\u30fb\u5e83\u544a\u30fb\u958b\u767a\u30fb\u7d4c\u7406\u30fb\u79d8\u66f8\u696d\u52d9\u30fb\u500b\u4eba\u696d\u52d9\u307e\u3067\u5168\u793e<\/td><\/tr>\n<tr><td>\u6761\u4ef6\u5206\u5c90\u95a2\u9023\u306e\u4e3b\u306a\u7528\u9014<\/td><td>\u8acb\u6c42\u66f8\u306e\u91d1\u984d\u5225\u30c1\u30a7\u30c3\u30af\u30fb\u5e83\u544a\u914d\u4fe1\u6761\u4ef6\u306e\u8abf\u6574\u30fb\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u306e\u632f\u308a\u5206\u3051<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\u306e\u7d4c\u7406\u696d\u52d9\u3067\u306f\u3001\u8acb\u6c42\u66f8\u306e\u91d1\u984d\u5e2f\u3084\u53d6\u5f15\u5148\u533a\u5206\u306b\u3088\u3063\u3066<strong>\u300c\u30c1\u30a7\u30c3\u30af\u65b9\u6cd5\u3092\u5909\u3048\u308b\u300d\u300c\u627f\u8a8d\u30eb\u30fc\u30c8\u3092\u5206\u5c90\u3055\u305b\u308b\u300d<\/strong>\u3068\u3044\u3063\u305f\u6761\u4ef6\u5206\u5c90\u7684\u306a\u5224\u65ad\u304c\u5b9a\u5e38\u7684\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u4ee5\u524d\u306f\u3053\u3046\u3057\u305f\u5224\u5b9a\u30ed\u30b8\u30c3\u30af\u3092\u90fd\u5ea6\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u3057\u3066\u7d44\u307f\u7acb\u3066\u3001\u52d5\u4f5c\u78ba\u8a8d\u30fb\u4fee\u6b63\u3092\u7e70\u308a\u8fd4\u3059\u5f62\u3067\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u696d\u52d9\u9818\u57df<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><th>\u6982\u7b97\u524a\u6e1b\u6642\u9593\uff08\u808c\u611f\u30d9\u30fc\u30b9\uff09<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u7d4c\u7406<\/td><td>\u8acb\u6c42\u66f8\u30c1\u30a7\u30c3\u30af\u30fb\u7d4c\u8cbb\u4ed5\u8a33\u30fbFreee\u9023\u643a<\/td><td>\u670840h \u2192 \u67085h<\/td><\/tr>\n<tr><td>\u5e83\u544a\u904b\u7528<\/td><td>\u9031\u6b21\u30ec\u30dd\u30fc\u30c8\u30fbCPA\u5206\u6790\u30fb\u914d\u4fe1\u5185\u5bb9\u8abf\u6574<\/td><td>\u903110h \u2192 \u90311h<\/td><\/tr>\n<tr><td>\u79d8\u66f8\u696d\u52d9<\/td><td>\u65e5\u5831\u751f\u6210\u30fb\u8b70\u4e8b\u9332\u30fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u8abf\u6574<\/td><td>\u65e52h \u2192 \u65e515\u5206<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u6570\u5024\u306e\u6ce8\u610f\u66f8\u304d<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u4e0a\u8a18\u306f\u5f0a\u793e\u306e\u808c\u611f\u30d9\u30fc\u30b9\u306e\u6570\u5024\u3067\u3042\u308a\u3001\u696d\u7a2e\u30fb\u696d\u614b\u30fb\u62c5\u5f53\u8005\u306e\u30b9\u30ad\u30eb\u306b\u3088\u3063\u3066\u524a\u6e1b\u6642\u9593\u306f\u5909\u52d5\u3057\u307e\u3059\u3002\u300c\u5b8c\u5168\u81ea\u52d5\u5316\u300d\u3067\u306f\u306a\u304f\u3001\u4eba\u9593\u306e\u30ec\u30d3\u30e5\u30fc\u30fb\u5fae\u8abf\u6574\u3092\u4f34\u3046\u904b\u7528\u3067\u3042\u308b\u70b9\u306b\u3082\u3054\u7559\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u7d4c\u7406\u30fb\u5e83\u544a\u9818\u57df\u306e\u5224\u5b9a\u51e6\u7406\u306f\u3001\u672c\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305f<strong>\u300c\u91d1\u984d\u306b\u3088\u308b\u5206\u5c90\u300d\u300c\u8907\u6570\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u300d\u300c0\u3084\u7a7a\u6b04\u306e\u6271\u3044\u300d<\/strong>\u304c\u305d\u306e\u307e\u307e\u6d3b\u304d\u308b\u9818\u57df\u3067\u3059\u3002\u305f\u3060\u3057\u5b9f\u52d9\u3067\u306f\u3001<strong>\u300c\u4eca\u56de\u306e\u30c7\u30fc\u30bf\u306b\u306f\u3069\u306e\u6761\u4ef6\u3092\u3069\u306e\u9806\u756a\u3067\u4e26\u3079\u308b\u304b\u300d\u3092\u90fd\u5ea6\u8a2d\u8a08\u3059\u308b\u4f5c\u696d<\/strong>\u304c\u3001\u3053\u308c\u307e\u3067\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u6761\u4ef6\u5206\u5c90\u306e\u69cb\u6587\u81ea\u4f53\u306f\u899a\u3048\u308c\u3070\u66f8\u3051\u307e\u3059\u304c\u3001\u300c\u3053\u306e\u5224\u5b9a\u30eb\u30fc\u30eb\u3092\u3069\u306e\u9806\u5e8f\u3067\u4e26\u3079\u308c\u3070\u610f\u56f3\u901a\u308a\u306b\u52d5\u304f\u304b\u300d\u300c0\u4ef6\u3068\u672a\u5165\u529b\u3092\u3069\u3046\u533a\u5225\u3059\u308b\u304b\u300d\u3068\u3044\u3063\u305f\u8a2d\u8a08\u5224\u65ad\u306f\u3001\u7d4c\u9a13\u304c\u306a\u3044\u3068\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u5f0a\u793e\u3067\u306f\u3001\u3053\u306e\u8a2d\u8a08\u5224\u65ad\u306e\u90e8\u5206\u3082Claude Code\u306b\u76f8\u8ac7\u3057\u306a\u304c\u3089\u9032\u3081\u308b\u3053\u3068\u3067\u3001\u62c5\u5f53\u8005\u304c\u672c\u6765\u306e\u696d\u52d9\u5224\u65ad\u306b\u96c6\u4e2d\u3067\u304d\u308b\u6642\u9593\u3092\u5897\u3084\u3057\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-10\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">10<\/span>\n  <span class=\"section-label\" style=\"display:block;\">COMMON PITFALLS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u3011\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6761\u4ef6\u5206\u5c90\u3067\u3064\u307e\u305a\u304f3\u3064\u306e\u7f60<\/span>\n  <span class=\"section-desc\">\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3068\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">if\u6587\u306f\u69cb\u6587\u81ea\u4f53\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u65b9\u304c\u72ec\u5b66\u3084AI\u3068\u306e\u5354\u696d\u3067\u6761\u4ef6\u5206\u5c90\u3092\u6271\u3044\u59cb\u3081\u308b\u3068\u3001\u5171\u901a\u3057\u3066\u3064\u307e\u305a\u304f\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u4ee3\u8868\u7684\u306a3\u3064\u306e\u7f60\u3068\u3001\u305d\u306e\u56de\u907f\u65b9\u6cd5\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10-1. \u7f601\uff1aelse if\u306e\u9806\u5e8f\u3092\u9593\u9055\u3048\u3066\u3001\u610f\u56f3\u3057\u305f\u5206\u5c90\u306b\u6c38\u9060\u306b\u5230\u9054\u3057\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u3068\u304a\u308a\u3001<strong>\u5e83\u3044\u6761\u4ef6\u3092\u5148\u306b\u66f8\u3044\u3066\u3057\u307e\u3046\u3068\u3001\u5f8c\u308d\u306e\u3088\u308a\u9650\u5b9a\u7684\u306a\u6761\u4ef6\u306b\u306f\u4e8c\u5ea6\u3068\u5230\u9054\u3057\u307e\u305b\u3093<\/strong>\u3002\u3053\u308c\u306f\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u30c6\u30b9\u30c8\u3057\u3066\u5b9f\u969b\u306e\u5024\u3067\u78ba\u8a8d\u3057\u306a\u3044\u3068\u6c17\u3065\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10-2. \u7f602\uff1a==\u3092\u4f7f\u3063\u305f\u3053\u3068\u3067\u3001\u578b\u306e\u9055\u3046\u5024\u304c\u610f\u56f3\u305b\u305a\u4e00\u81f4\u3057\u3066\u3057\u307e\u3046<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">5\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u3068\u304a\u308a\u3001==\u306f\u578b\u5909\u63db\u3092\u4f34\u3046\u305f\u3081\u3001<strong>\u6570\u5024\u306e0\u3068\u6587\u5b57\u5217\u306e\"0\"\u304c\u4e00\u81f4\u3057\u3066\u3057\u307e\u3046<\/strong>\u306a\u3069\u3001\u76f4\u611f\u3068\u7570\u306a\u308b\u5224\u5b9a\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u696d\u52d9\u30b3\u30fc\u30c9\u3067\u306f\u57fa\u672c\u7684\u306b===\u3092\u4f7f\u3046\u3053\u3068\u3092\u5fb9\u5e95\u3057\u3001\u578b\u5909\u63db\u3092\u3057\u305f\u3044\u5834\u5408\u306f\u4e8b\u524d\u306bNumber()\u306a\u3069\u3067\u660e\u793a\u7684\u306b\u5909\u63db\u3057\u3066\u304a\u304f\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10-3. \u7f603\uff1a0\u3084\u7a7a\u6587\u5b57\u3092\u300c\u672a\u5165\u529b\u300d\u3068\u8aa4\u3063\u3066\u5224\u5b9a\u3057\u3066\u3057\u307e\u3046<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">6\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u3068\u304a\u308a\u3001<strong>0\u30fb\u7a7a\u6587\u5b57\u30fbnull\u306f\u3059\u3079\u3066falsy\u3068\u3057\u3066\u6271\u308f\u308c\u308b<\/strong>\u305f\u3081\u3001if (\u5024)\u3068\u3044\u3046\u66f8\u304d\u65b9\u3060\u3051\u3067\u306f\u300c0\u4ef6\u300d\u3068\u300c\u672a\u5165\u529b\u300d\u3092\u533a\u5225\u3067\u304d\u307e\u305b\u3093\u3002\u6570\u91cf\u30fb\u91d1\u984d\u306e\u3088\u3046\u306b0\u304c\u610f\u5473\u3092\u6301\u3064\u9805\u76ee\u306f\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u6761\u4ef6\u306e\u9806\u756a\u306f<br>\u72ed\u3044\u6761\u4ef6\u304c<br>\u5148\u304b\u78ba\u8a8d<\/strong><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u6bd4\u8f03\u306b\u306f<br>=== \u3092<br>\u4f7f\u3063\u3066\u3044\u308b\u304b<\/strong><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>0\u3084\u7a7a\u6587\u5b57\u3092<br>\u8aa4\u5224\u5b9a\u3057\u3066<br>\u3044\u306a\u3044\u304b<\/strong><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u5b9f\u30c7\u30fc\u30bf\u3067<br>console.log<br>\u78ba\u8a8d<\/strong><\/div>\n<\/div>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>else if\u306e\u9806\u5e8f\uff1a\u72ed\u3044\u6761\u4ef6\uff08\u53b3\u3057\u3044\u6761\u4ef6\uff09\u3092\u5148\u306b\u66f8\u3044\u3066\u3044\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u6bd4\u8f03\u6f14\u7b97\u5b50\uff1a==\u3067\u306f\u306a\u304f===\uff08\u307e\u305f\u306f!==\uff09\u3092\u4f7f\u3063\u3066\u3044\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>falsy\u5024\uff1a\u6570\u91cf\u30fb\u91d1\u984d\u306a\u3069\u300c0\u304c\u610f\u5473\u3092\u6301\u3064\u9805\u76ee\u300d\u3092\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a\u3057\u3066\u3044\u308b\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8907\u5408\u6761\u4ef6\uff1a&&\u3068||\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u969b\u3001\u610f\u56f3\u3057\u305f\u512a\u5148\u9806\u4f4d\u3067\u8a55\u4fa1\u3055\u308c\u3066\u3044\u308b\u304b\uff08\u62ec\u5f27\u3067\u660e\u793a\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\uff1a\u6b63\u5e38\u306a\u5024\u30fb\u5883\u754c\u5024\uff080\u3084\u7a7a\u6587\u5b57\uff09\u306e\u4e21\u65b9\u3067\u52d5\u4f5c\u78ba\u8a8d\u3092\u3057\u305f\u304b<\/span><\/div>\n\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u3053\u306e3\u3064\u306e\u7f60\u306f\u3001\u5f0a\u793e\u306e\u5c0e\u5165\u652f\u63f4\u5148\u3067\u3082\u672c\u5f53\u306b\u3088\u304f\u898b\u304b\u3051\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u300c\u6761\u4ef6\u5f0f\u81ea\u4f53\u306f\u6b63\u3057\u3044\u306e\u306b\u3001\u9806\u5e8f\u3084\u578b\u306e\u6271\u3044\u306e\u629c\u3051\u3067\u610f\u56f3\u3068\u9055\u3046\u52d5\u304d\u3092\u3059\u308b\u300d\u3068\u3044\u3046\u306e\u306f\u3001\u7d4c\u9a13\u3092\u7a4d\u3080\u307e\u3067\u306f\u907f\u3051\u306b\u304f\u3044\u30df\u30b9\u306a\u306e\u3067\u3001\u5883\u754c\u5024\u3067\u306e\u30c6\u30b9\u30c8\u3092\u7fd2\u6163\u306b\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-11\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">11<\/span>\n  <span class=\"section-label\" style=\"display:block;\">WITH CLAUDE CODE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u69cb\u6587\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u3001\u6761\u4ef6\u3092\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308c\u3070Claude Code\u304c\u5b9f\u88c5\u3059\u308b<\/span>\n  <span class=\"section-desc\">if\/else if\/==\/===\/truthy...\u4e00\u3064\u3072\u3068\u3064\u6697\u8a18\u3057\u306a\u304f\u3066\u3082\u3001\u76ee\u7684\u3055\u3048\u8a00\u3048\u308c\u3070\u5b9f\u88c5\u3055\u308c\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u898b\u3066\u304d\u305f\u3068\u304a\u308a\u3001if\u6587\u81ea\u4f53\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3082\u3001<strong>else if\u306e\u5b9f\u884c\u9806\u5e8f\u30fb==\u3068===\u306e\u9055\u3044\u30fbtruthy\/falsy\u306e\u6271\u3044<\/strong>\u306a\u3069\u3001\u6b63\u3057\u304f\u52d5\u304f\u6761\u4ef6\u5206\u5c90\u3092\u66f8\u304f\u306b\u306f\u6c17\u3092\u3064\u3051\u308b\u3079\u304d\u70b9\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u300210\u7ae0\u3067\u6319\u3052\u305f\u3088\u3046\u306a\u300c\u6761\u4ef6\u306e\u9806\u5e8f\u30df\u30b9\u300d\u300c\u578b\u306e\u53d6\u308a\u9055\u3048\u300d\u300c0\u306e\u8aa4\u5224\u5b9a\u300d\u3068\u3044\u3063\u305f\u843d\u3068\u3057\u7a74\u3092\u8e0f\u307e\u305a\u306b\u3001\u6bce\u56de\u6b63\u3057\u3044\u6761\u4ef6\u5206\u5c90\u3092\u7d44\u307f\u7acb\u3066\u308b\u306e\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u6163\u308c\u3066\u3044\u306a\u3044\u4eba\u307b\u3069\u30cf\u30fc\u30c9\u30eb\u304c\u9ad8\u3044\u306e\u304c\u5b9f\u60c5\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u300c\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u6574\u7406\u3057\u3001\u6761\u4ef6\u306e\u9806\u5e8f\u3084\u6bd4\u8f03\u65b9\u6cd5\u3092\u6b63\u3057\u304f\u8a2d\u8a08\u3057\u3001\u30b3\u30fc\u30c9\u306b\u843d\u3068\u3057\u8fbc\u307f\u3001\u30c6\u30b9\u30c8\u3059\u308b\u300d\u3068\u3044\u3046\u4e00\u9023\u306e\u4f5c\u696d\u306f\u3001<strong>Claude Code\u306e\u3088\u3046\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578bAI\u30c4\u30fc\u30eb\u306b\u65e5\u672c\u8a9e\u3067\u305d\u306e\u307e\u307e\u4f9d\u983c\u3067\u304d\u308b<\/strong>\u9818\u57df\u3067\u3059\u3002if\u30fbelse if\u30fb==\u30fb===\u30fbtruthy\/falsy\u3068\u3044\u3063\u305f\u7528\u8a9e\u3084\u69cb\u6587\u3092\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u300c\u3053\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3053\u3046\u3044\u3046\u5224\u65ad\u3092\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u8981\u4ef6\u3092\u305d\u306e\u307e\u307e\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001\u6761\u4ef6\u306e\u9806\u5e8f\u3084\u6bd4\u8f03\u65b9\u6cd5\u307e\u3067\u542b\u3081\u3066\u9069\u5207\u306a\u5b9f\u88c5\u3092\u63d0\u6848\u3057\u3066\u3082\u3089\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>Claude Code<\/strong>\uff1aAnthropic\u793e\u304c\u63d0\u4f9b\u3059\u308bAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u30c4\u30fc\u30eb\u3002\u30c1\u30e3\u30c3\u30c8\u5f62\u5f0f\u3067\u300c\u3007\u3007\u3092\u3084\u3063\u3066\u300d\u3068\u6307\u793a\u3059\u308b\u3060\u3051\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u308a\u3001\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\u30fb\u4fee\u6b63\u30fb\u5b9f\u884c\u307e\u3067\u3092\u81ea\u5f8b\u7684\u306b\u884c\u3046\u3002\u30bf\u30fc\u30df\u30ca\u30eb\u7248\u3060\u3051\u3067\u306a\u304f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u64cd\u4f5c\u304c\u4e0d\u8981\u306a\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u3082\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u65e5\u672c\u8a9e\u306e\u6307\u793a\u3060\u3051\u3067\u696d\u52d9\u3092\u4efb\u305b\u3089\u308c\u308b\u3002if\u6587\u306e\u69cb\u6587\u3084else if\u306e\u9806\u5e8f\u3001==\u3068===\u306e\u4f7f\u3044\u5206\u3051\u3092\u6697\u8a18\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u76ee\u7684\u3092\u4f1d\u3048\u308b\u3060\u3051\u3067\u6b63\u3057\u3044\u30b3\u30fc\u30c9\u304c\u5f97\u3089\u308c\u308b\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#1e1e1e;border-radius:8px;padding:20px 24px;margin:20px 0;overflow-x:auto;\">\n  <pre style=\"margin:0;font-family:'Courier New',monospace;font-size:13px;line-height:1.8;color:#d4d4d4;white-space:pre-wrap;\">\/\/ Claude Code\u3078\u306e\u4f9d\u983c\u30a4\u30e1\u30fc\u30b8\uff08\u5b9f\u969b\u306f\u30c1\u30e3\u30c3\u30c8\u3067\u65e5\u672c\u8a9e\u306e\u307e\u307e\u6307\u793a\u3059\u308b\u3060\u3051\uff09\n\/\/ \u4f9d\u983c\u4f8b\uff1a\n\/\/ \u300c\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u306e\u30c7\u30fc\u30bf\u3067\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u672a\u5165\u529b\u306a\u3089\u30a8\u30e9\u30fc\u3001\n\/\/   \u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\uff08gmail\/yahoo\u7b49\uff09\u306a\u3089\u901a\u5e38\u5bfe\u5fdc\u3001\n\/\/   \u305d\u308c\u4ee5\u5916\u306e\u6cd5\u4eba\u30c9\u30e1\u30a4\u30f3\u304b\u3064\u5f93\u696d\u54e1\u657010\u540d\u4ee5\u4e0a\u306a\u3089\u512a\u5148\u5bfe\u5fdc\u30ea\u30b9\u30c8\u306b\u5165\u308c\u308b\n\/\/   \u51e6\u7406\u3092\u4f5c\u3063\u3066\u300d\n\n\/\/ Claude Code\u304c\u751f\u6210\u3059\u308b\u30b3\u30fc\u30c9\u4f8b\nfunction classifyInquiry(email, employeeCount) {\n    if (!email || email.trim() === &quot;&quot;) {\n        return &quot;\u30a8\u30e9\u30fc\uff1a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u672a\u5165\u529b&quot;;\n    }\n    const freeDomains = [&quot;gmail.com&quot;, &quot;yahoo.co.jp&quot;, &quot;outlook.com&quot;];\n    const domain = email.split(&quot;@&quot;)[1] || &quot;&quot;;\n    const isFreeEmail = freeDomains.includes(domain);\n\n    if (!isFreeEmail &amp;&amp; employeeCount &gt;= 10) {\n        return &quot;\u512a\u5148\u5bfe\u5fdc\u30ea\u30b9\u30c8\u3078\u8ffd\u52a0&quot;;\n    }\n    return &quot;\u901a\u5e38\u5bfe\u5fdc&quot;;\n}<\/pre>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f9d\u983c\u306e\u4e2d\u3067\u3001\u300c\u672a\u5165\u529b\u30c1\u30a7\u30c3\u30af\u3092\u6700\u521d\u306b\u7f6e\u304f\u3079\u304d\u304b\u300d\u300c\u30d5\u30ea\u30fc\u30e1\u30fc\u30eb\u306e\u5224\u5b9a\u306b\u3069\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u3046\u304b\u300d\u300c\u5f93\u696d\u54e1\u6570\u306e\u6761\u4ef6\u3092\u3069\u3046\u7d44\u307f\u5408\u308f\u305b\u308b\u304b\u300d\u3068\u3044\u3063\u305f\u3001<strong>\u3053\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u3066\u304d\u305f\u5224\u65ad\u304c\u3059\u3079\u3066\u81ea\u52d5\u7684\u306b\u53cd\u6620\u3055\u308c\u3066\u3044\u308b<\/strong>\u70b9\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\u3002if\u30fbelse if\u30fb==\u30fb===\u30fbtruthy\/falsy\u306e\u610f\u5473\u3092\u4e00\u3064\u3072\u3068\u3064\u899a\u3048\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u76ee\u7684\u3055\u3048\u8a00\u8a9e\u5316\u3067\u304d\u308c\u3070\u6b63\u3057\u3044\u5b9f\u88c5\u306b\u305f\u3069\u308a\u7740\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u4f9d\u983c\u3059\u308b\u3068\u304d\u306f\u300c\u5883\u754c\u5024\u300d\u3082\u4e00\u7dd2\u306b\u4f1d\u3048\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u300c\u91d1\u984d\u304c\u3061\u3087\u3046\u306910\u4e07\u5186\u306e\u3068\u304d\u306f\u3069\u3061\u3089\u306e\u5206\u5c90\u306b\u5165\u308c\u305f\u3044\u304b\u300d\u300c\u5728\u5eab\u304c0\u500b\u306e\u3068\u304d\u306f\u3069\u3046\u6271\u3044\u305f\u3044\u304b\u300d\u3068\u3044\u3063\u305f<strong>\u5883\u754c\u5024\u306e\u5e0c\u671b<\/strong>\u3092\u4e00\u7dd2\u306b\u4f1d\u3048\u308b\u3068\u3001else if\u306e\u9806\u5e8f\u3084\u6bd4\u8f03\u6f14\u7b97\u5b50\uff08>=\u304b\u305d\u308c\u3068\u3082>\u304b\uff09\u307e\u3067\u610f\u56f3\u901a\u308a\u306b\u5b9f\u88c5\u3055\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u62bd\u8c61\u7684\u306a\u8aac\u660e\u3060\u3051\u3088\u308a\u3001\u5177\u4f53\u7684\u306a\u6570\u5024\u4f8b\u3092\u898b\u305b\u308b\u65b9\u304c\u7cbe\u5ea6\u306e\u9ad8\u3044\u63d0\u6848\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">if\u6587\u306e\u69cb\u6587\u3084else if\u306e\u9806\u5e8f\u30eb\u30fc\u30eb\u3092\u6697\u8a18\u3057\u3066\u624b\u4f5c\u696d\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3001\u3068\u3044\u3046\u4f5c\u696d\u81ea\u4f53\u304c\u3001\u4eca\u306e\u6642\u4ee3\u306f\u3082\u3046\u5fc5\u9808\u3067\u306f\u306a\u304f\u306a\u3063\u3066\u304d\u3066\u3044\u308b\u3068\u611f\u3058\u307e\u3059\u3002\u300c\u3069\u306e\u6761\u4ef6\u3092\u3069\u3046\u4e26\u3079\u308b\u3079\u304d\u304b\u300d\u3068\u3044\u3046\u90e8\u5206\u3053\u305dAI\u306b\u76f8\u8ac7\u3059\u308c\u3070\u3044\u3044\u9818\u57df\u3067\u3001\u4eba\u9593\u304c\u5224\u65ad\u3059\u3079\u304d\u306a\u306e\u306f\u300c\u305d\u3082\u305d\u3082\u4f55\u3092\u5224\u5b9a\u3057\u305f\u3044\u304b\u300d\u3068\u3044\u3046\u696d\u52d9\u30eb\u30fc\u30eb\u306e\u90e8\u5206\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-12\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">12<\/span>\n  <span class=\"section-label\" style=\"display:block;\">PRACTICAL WORKFLOW<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Claude Code\u3067\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u81ea\u52d5\u5316\u3059\u308b\u5b9f\u8df5\u30d5\u30ed\u30fc<\/span>\n  <span class=\"section-desc\">\u30bf\u30fc\u30df\u30ca\u30eb\u64cd\u4f5c\u306a\u3057\u30fb\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u3067\u5b8c\u7d50\u3059\u308b4\u30b9\u30c6\u30c3\u30d7<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cClaude Code\u304c\u4fbf\u5229\u306a\u306e\u306f\u5206\u304b\u3063\u305f\u304c\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u3058\u3083\u306a\u3044\u306e\u3067\u5c0e\u5165\u304c\u4e0d\u5b89\u300d\u3068\u3044\u3046\u65b9\u5411\u3051\u306b\u3001\u5b9f\u969b\u306b\u3069\u306e\u3088\u3046\u306a\u624b\u9806\u3067\u6761\u4ef6\u5206\u5c90\u3092\u542b\u3080\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u7d44\u307f\u7acb\u3066\u3066\u3044\u304f\u306e\u304b\u3092\u6574\u7406\u3057\u307e\u3059\u3002\u30bf\u30fc\u30df\u30ca\u30eb\uff08\u9ed2\u3044\u753b\u9762\uff09\u306e\u77e5\u8b58\u306f\u4e00\u5207\u4e0d\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u5224\u65ad\u30eb\u30fc\u30eb\u3092<br>\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b<\/strong><br><span style=\"font-size:12px;\">\u5bfe\u8c61\u30c7\u30fc\u30bf\u30fb<br>\u6761\u4ef6\u30fb\u5883\u754c\u5024<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Claude Code\u304c<br>\u30b3\u30fc\u30c9\u751f\u6210<\/strong><br><span style=\"font-size:12px;\">\u6761\u4ef6\u306e\u9806\u5e8f\u30fb<br>\u6bd4\u8f03\u65b9\u6cd5\u3092\u81ea\u52d5\u5224\u65ad<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3067<br>\u52d5\u4f5c\u78ba\u8a8d<\/strong><br><span style=\"font-size:12px;\">\u5883\u754c\u5024\u3082\u542b\u3081\u3066<br>\u7d50\u679c\u3092\u78ba\u8a8d<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u696d\u52d9\u30eb\u30fc\u30eb\u3068\u3057\u3066<br>\u7d44\u307f\u8fbc\u307f<\/strong><br><span style=\"font-size:12px;\">\u7d99\u7d9a\u7684\u306b\u5229\u7528<\/span><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">12-1. Step1\uff1a\u307e\u305a1\u3064\u306e\u5224\u65ad\u30eb\u30fc\u30eb\u3060\u3051\u3092\u5177\u4f53\u7684\u306b\u4f1d\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3044\u304d\u306a\u308a\u8907\u6570\u306e\u5224\u65ad\u30eb\u30fc\u30eb\u3092\u307e\u3068\u3081\u3066\u4f9d\u983c\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u300c\u3053\u306e\u30c7\u30fc\u30bf\u306e\u3053\u306e\u9805\u76ee\u306b\u5bfe\u3057\u3066\u3001\u3053\u306e\u6761\u4ef6\u3067\u5224\u5b9a\u3057\u305f\u3044\u300d\u3068\u3044\u30461\u3064\u306e\u5177\u4f53\u7684\u306a\u8981\u671b<\/strong>\u304b\u3089\u59cb\u3081\u308b\u306e\u304c\u30b3\u30c4\u3067\u3059\u3002\u300c\u627f\u8a8d\u30d5\u30ed\u30fc\u3092\u81ea\u52d5\u5316\u3057\u305f\u3044\u300d\u306e\u3088\u3046\u306a\u62bd\u8c61\u7684\u306a\u4f9d\u983c\u3088\u308a\u3001\u300c\u7533\u8acb\u91d1\u984d\u304c10\u4e07\u5186\u4ee5\u4e0a\u306a\u3089\u90e8\u9577\u627f\u8a8d\u3001100\u4e07\u5186\u4ee5\u4e0a\u306a\u3089\u5f79\u54e1\u627f\u8a8d\u306b\u3057\u3066\u300d\u306e\u3088\u3046\u306a\u5177\u4f53\u7684\u306a\u4f9d\u983c\u306e\u65b9\u304c\u3001\u7cbe\u5ea6\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u304c\u3059\u3050\u306b\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">12-2. Step2\uff1a\u51fa\u3066\u304d\u305f\u30b3\u30fc\u30c9\u3092\u305d\u306e\u307e\u307e\u5b9f\u884c\u3057\u3066\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Claude Code\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u8aad\u307f\u66f8\u304d\u3057\u305f\u308a\u3001\u30b3\u30fc\u30c9\u3092\u305d\u306e\u5834\u3067\u63d0\u793a\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u5b9f\u884c\u3057\u3001<strong>\u5883\u754c\u5024\uff08\u3061\u3087\u3046\u306910\u4e07\u5186\u306e\u30b1\u30fc\u30b9\u306a\u3069\uff09\u3082\u542b\u3081\u3066\u7d50\u679c\u3092\u78ba\u8a8d<\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">12-3. Step3\uff1a\u671f\u5f85\u3068\u9055\u3046\u7d50\u679c\u304c\u51fa\u305f\u3089\u3001\u305d\u306e\u307e\u307e\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u601d\u3063\u3066\u3044\u305f\u7d50\u679c\u3068\u9055\u3046\u300d\u3068\u611f\u3058\u305f\u3089\u3001\u5c02\u9580\u7528\u8a9e\u3092\u4f7f\u308f\u305a\u306b<strong>\u300c\u3007\u3007\u306e\u30b1\u30fc\u30b9\u3060\u3068\u7d50\u679c\u304c\u304a\u304b\u3057\u3044\u300d\u3068\u305d\u306e\u307e\u307e\u4f1d\u3048\u308b<\/strong>\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u300210\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306a\u9806\u5e8f\u30df\u30b9\u3084\u578b\u306e\u53d6\u308a\u9055\u3048\u306e\u554f\u984c\u3082\u3001Claude Code\u304c\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3066\u4fee\u6b63\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u6700\u521d\u306e\u4f9d\u983c\u306f\u300c1\u3064\u306e\u5224\u65ad\u30eb\u30fc\u30eb\u30fb1\u3064\u306e\u30c7\u30fc\u30bf\u300d\u306b\u7d5e\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5883\u754c\u5024\uff08\u3061\u3087\u3046\u3069\u305d\u306e\u91d1\u984d\u30fb0\u4ef6\u306e\u3068\u304d\u306a\u3069\uff09\u306e\u5e0c\u671b\u3092\u5177\u4f53\u7684\u306b\u4f1d\u3048\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u5fc5\u305a\u4e00\u5ea6\u3001\u5c11\u91cf\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u7d50\u679c\u304c\u304a\u304b\u3057\u3044\u3068\u304d\u306f\u5c02\u9580\u7528\u8a9e\u3092\u4f7f\u308f\u305a\u300c\u3007\u3007\u306e\u5834\u5408\u304c\u304a\u304b\u3057\u3044\u300d\u3068\u4f1d\u3048\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u3046\u307e\u304f\u3044\u3063\u305f\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u4f3c\u305f\u696d\u52d9\u30eb\u30fc\u30eb\u306b\u3082\u6a2a\u5c55\u958b\u3059\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">12-4. Step4\uff1a\u3046\u307e\u304f\u3044\u3063\u305f\u5224\u65ad\u30eb\u30fc\u30eb\u3092\u6a2a\u5c55\u958b\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3064\u306e\u5224\u65ad\u30eb\u30fc\u30eb\u3067\u52b9\u679c\u304c\u78ba\u8a8d\u3067\u304d\u305f\u3089\u3001<strong>\u540c\u3058\u8003\u3048\u65b9\u3092\u4ed6\u306e\u696d\u52d9\u306b\u3082\u5e83\u3052\u3066\u3044\u304f<\/strong>\u306e\u304c\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u300c\u8acb\u6c42\u66f8\u306e\u91d1\u984d\u5225\u30c1\u30a7\u30c3\u30af\u300d\u3067\u4f7f\u3063\u305f\u6761\u4ef6\u5206\u5c90\u306e\u7d44\u307f\u7acb\u3066\u65b9\u306f\u3001\u7d4c\u8cbb\u7cbe\u7b97\u3084\u5728\u5eab\u30c1\u30a7\u30c3\u30af\u306a\u3069\u3001\u4f3c\u305f\u69cb\u9020\u306e\u5224\u65ad\u3067\u3042\u308c\u3070\u540c\u69d8\u306b\u5fdc\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u3067\u306f\u3001\u6700\u521d\u306b\u7d4c\u7406\u306e\u8acb\u6c42\u66f8\u30c1\u30a7\u30c3\u30af\u3067\u8a66\u3057\u305f\u5224\u65ad\u30eb\u30fc\u30eb\u3092\u3001\u5e83\u544a\u30ec\u30dd\u30fc\u30c8\u306e\u914d\u4fe1\u6761\u4ef6\u8abf\u6574\u3084\u3001\u554f\u3044\u5408\u308f\u305b\u5185\u5bb9\u306e\u632f\u308a\u5206\u3051\u306b\u3082\u305d\u306e\u307e\u307e\u6a2a\u5c55\u958b\u3057\u307e\u3057\u305f\u3002\u6761\u4ef6\u5206\u5c90\u3068\u3044\u3046\u300c\u8003\u3048\u65b9\u300d\u81ea\u4f53\u306f\u4f7f\u3044\u56de\u305b\u308b\u306e\u3067\u30011\u3064\u6210\u529f\u30d1\u30bf\u30fc\u30f3\u304c\u3067\u304d\u308b\u3068\u5c55\u958b\u304c\u65e9\u3044\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\u3067\u306f\u3001\u3053\u3046\u3057\u305f\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u3068\u3044\u3046\u5224\u65ad\u3092\u542b\u3080\u696d\u52d9\u30eb\u30fc\u30eb\u306b\u3064\u3044\u3066\u3082\u3001\u6761\u4ef6\u306e\u8a2d\u8a08\u304b\u3089\u5b9f\u88c5\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u306e\u691c\u8a3c\u307e\u3067\u3092Claude Code\u306b\u4efb\u305b\u308b\u5f62\u3067\u904b\u7528\u3057\u3066\u3044\u307e\u3059\u30029\u7ae0\u3067\u7d39\u4ecb\u3057\u305f\u7d4c\u7406\u30fb\u5e83\u544a\u9818\u57df\u306e\u524a\u6e1b\u4e8b\u4f8b\u3082\u3001\u3053\u3046\u3057\u305f\u7d30\u304b\u306a\u6761\u4ef6\u5206\u5c90\u306e\u7a4d\u307f\u91cd\u306d\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">if\u6587\u306e\u69cb\u6587\u30921\u3064\u305a\u3064\u6697\u8a18\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u3068\u3001\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u81ea\u52d5\u5316\u3059\u308b\u30cf\u30fc\u30c9\u30eb\u306f\u5927\u304d\u304f\u4e0b\u304c\u308a\u307e\u3059\u3002\u300c\u3069\u306e\u69cb\u6587\u3092\u4f7f\u3046\u304b\u300d\u3088\u308a\u300c\u3069\u3093\u306a\u5224\u65ad\u3092\u3057\u305f\u3044\u304b\u300d\u3092\u8003\u3048\u308b\u6642\u9593\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u304c\u3001Claude Code\u3092\u4f7f\u3046\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u3060\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-js-if-else&#038;blog_slug=cc-js-if-else\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-js-if-else&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-13\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">13<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CONCLUSION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u307e\u3068\u3081<\/span>\n  <span class=\"section-desc\">if\u6587\u306e\u57fa\u672c\u3092\u62bc\u3055\u3048\u3064\u3064\u3001\u5b9f\u88c5\u306e\u8ca0\u62c5\u306f\u4ed5\u7d44\u307f\u3067\u6e1b\u3089\u3059<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001JavaScript\u306eif\u6587\u306b\u3064\u3044\u3066\u3001\u57fa\u672c\u69cb\u6587\u3001else if\u306e\u5b9f\u884c\u9806\u5e8f\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3001==\u3068===\u306e\u9055\u3044\u3001truthy\/falsy\u306e\u8003\u3048\u65b9\u3001switch\u6587\u30fb\u4e09\u9805\u6f14\u7b97\u5b50\u3068\u306e\u4f7f\u3044\u5206\u3051\u3001\u696d\u52d9\u3067\u306e\u5b9f\u8df5\u30d1\u30bf\u30fc\u30f3\u307e\u3067\u3092\u6574\u7406\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>if\u6587\u306f\u300c\u3082\u3057\u6761\u4ef6A\u306a\u3089\u51e6\u7406X\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u5224\u65ad\u3092\u66f8\u304f\u6700\u3082\u57fa\u672c\u7684\u306a\u69cb\u6587<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>else if\u30c1\u30a7\u30fc\u30f3\u306f\u4e0a\u304b\u3089\u9806\u306b\u8a55\u4fa1\u3055\u308c\u3001\u72ed\u3044\u6761\u4ef6\u3092\u5148\u306b\u66f8\u304b\u306a\u3044\u3068\u5f8c\u7d9a\u306b\u5230\u9054\u3057\u306a\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8907\u6570\u6761\u4ef6\u306f&&\uff08\u304b\u3064\uff09\u30fb||\uff08\u307e\u305f\u306f\uff09\u30fb!\uff08\u5426\u5b9a\uff09\u3067\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>==\u306f\u578b\u5909\u63db\u3092\u4f34\u3044\u76f4\u611f\u3068\u7570\u306a\u308b\u7d50\u679c\u306b\u306a\u308a\u3084\u3059\u3044\u305f\u3081\u3001\u696d\u52d9\u30b3\u30fc\u30c9\u3067\u306f===\u3092\u57fa\u672c\u306b\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>false\u30fb0\u30fb\"\"\u30fbnull\u30fbundefined\u30fbNaN\u306e6\u7a2e\u985e\u3060\u3051\u304cfalsy\u3001\u305d\u308c\u4ee5\u5916\u306ftruthy<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>0\u3084\u7a7a\u6587\u5b57\u304c\u610f\u5473\u3092\u6301\u3064\u9805\u76ee\u306f\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u69cb\u6587\u3092\u6697\u8a18\u3057\u306a\u304f\u3066\u3082\u3001Claude Code\u306b\u65e5\u672c\u8a9e\u3067\u76ee\u7684\u3092\u4f1d\u3048\u308c\u3070\u9069\u5207\u306a\u6761\u4ef6\u5206\u5c90\u3092\u5b9f\u88c5\u3057\u3066\u304f\u308c\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">if\u6587\u306e\u69cb\u6587\u306f\u7a2e\u985e\u304c\u591a\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001else if\u306e\u9806\u5e8f\u3001==\u3068===\u306e\u9055\u3044\u3001truthy\/falsy\u306e\u6271\u3044\u306a\u3069\u3001\u6b63\u3057\u304f\u52d5\u304f\u6761\u4ef6\u5206\u5c90\u3092\u66f8\u304f\u306b\u306f\u610f\u5916\u3068\u591a\u304f\u306e\u6ce8\u610f\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u672c\u8a18\u4e8b\u306e\u30b3\u30fc\u30c9\u4f8b\u3092\u5b9f\u969b\u306b\u52d5\u304b\u3057\u306a\u304c\u3089\u3001\u81ea\u5206\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u306b\u5f53\u3066\u306f\u3081\u3066\u8003\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">if\u6587\u306e\u57fa\u790e\u77e5\u8b58\u306f\u3001\u899a\u3048\u3066\u304a\u3044\u3066\u640d\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3001\u5b9f\u969b\u306e\u696d\u52d9\u3067\u306f\u300c\u3053\u306e\u5224\u65ad\u30eb\u30fc\u30eb\u3092\u3069\u306e\u9806\u5e8f\u3067\u3001\u3069\u3046\u7d44\u307f\u5408\u308f\u305b\u308c\u3070\u610f\u56f3\u901a\u308a\u306b\u52d5\u304f\u304b\u300d\u3092\u90fd\u5ea6\u8a2d\u8a08\u3059\u308b\u6642\u9593\u306e\u65b9\u304c\u9577\u304f\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u305d\u3046\u3057\u305f\u8a2d\u8a08\u30fb\u5b9f\u88c5\u306e\u624b\u9593\u3092\u6e1b\u3089\u3057\u305f\u3044\u65b9\u306f\u3001AI\u9b3c\u7ba1\u7406\u307e\u3067\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u696d\u52d9\u306e\u5224\u65ad\u30eb\u30fc\u30eb\u306e\u81ea\u52d5\u5316\u3001Claude Code\u3067\u4e00\u7dd2\u306b\u9032\u3081\u307e\u305b\u3093\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u3053\u306e\u627f\u8a8d\u30eb\u30fc\u30eb\u3092\u30b7\u30b9\u30c6\u30e0\u5316\u3057\u305f\u3044\u304c\u3001\u6761\u4ef6\u3092\u3069\u3046\u7d44\u307f\u7acb\u3066\u308c\u3070\u3044\u3044\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u300c\u65e2\u5b58\u306e\u30c1\u30a7\u30c3\u30af\u51e6\u7406\u306e\u6761\u4ef6\u5206\u5c90\u3092\u898b\u76f4\u3057\u305f\u3044\u300d\u2014\u2014\u5f0a\u793eAI\u9b3c\u7ba1\u7406\u3067\u306f\u3001Claude Code\u3092\u4f7f\u3063\u305f\u696d\u52d9\u30eb\u30fc\u30eb\u306e\u81ea\u52d5\u5316\u30fb\u6761\u4ef6\u5206\u5c90\u8a2d\u8a08\u306e\u652f\u63f4\u304b\u3089\u5c0e\u5165\u307e\u3067\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5224\u5b9a\u3057\u305f\u3044\u30eb\u30fc\u30eb\u3068\u5177\u4f53\u7684\u306a\u6570\u5024\u4f8b\u3092\u898b\u305b\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u305d\u306e\u5834\u3067\u5b9f\u88c5\u30a4\u30e1\u30fc\u30b8\u3092\u304a\u4f1d\u3048\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u3001\u4eca\u304b\u304b\u3063\u3066\u3044\u308b\u5224\u65ad\u30fb\u30c1\u30a7\u30c3\u30af\u4f5c\u696d\u306e\u6642\u9593\u611f\u899a\u3092\u304a\u805e\u304b\u305b\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:#fff;border:2px solid #eee;border-radius:16px;padding:32px 20px;margin:48px 0 16px;\">\n  <p style=\"text-align:center;font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"text-align:center;font-size:22px;font-weight:800;line-height:1.5;color:#1a1a1a;margin:0 0 24px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"display:flex;gap:16px;flex-wrap:wrap;justify-content:center;\">\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-onikanri.png\" alt=\"AI\u9b3c\u7ba1\u7406 \u2014 Claude Code\u5c0e\u5165\u652f\u63f4\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=cc-js-if-else&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-aibpo.png\" alt=\"AIBPO by AI\u9b3c\u7ba1\u7406 \u2014 \u5b9a\u578b\u696d\u52d9\u306e\u4e38\u3054\u3068\u4ee3\u884c\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">\u696d\u52d9\u3092\u4e38\u3054\u3068\u4efb\u305b\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AIBPO by AI\u9b3c\u7ba1\u7406<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">\u8acb\u6c42\u51e6\u7406\u30fb\u30c7\u30fc\u30bf\u5165\u529b\u30fb\u554f\u3044\u5408\u308f\u305b\u5bfe\u5fdc\u306a\u3069\u306e\u5b9a\u578b\u696d\u52d9\u3092\u3001AI\u00d7\u4eba\u306e\u54c1\u8cea\u7ba1\u7406\u4f53\u5236\u3067\u4e38\u3054\u3068\u4ee3\u884c\u3002\u3044\u307e\u306e\u30b3\u30b9\u30c8\u306e75%\u76ee\u5b89\u3067\u3001\u65e5\u3005\u306f\u6210\u679c\u7269\u3092\u627f\u8a8d\u3059\u308b\u3060\u3051\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/genai-ai.co.jp\/ai-kanri\/ai-bpo\/?utm_source=blog&utm_medium=article&utm_campaign=cc-js-if-else&utm_content=next-step-cta-bpo\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AIBPO\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. if\u6587\u3068else if\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. if\u6587\u306f\u300c\u3082\u3057\u6761\u4ef6A\u306a\u3089\u51e6\u7406X\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u5358\u4e00\u306e\u5224\u65ad\u3092\u8868\u3059\u69cb\u6587\u3067\u3059\u3002else if\u306f\u3001if\u6587\u306b\u7d9a\u3051\u3066\u300c\uff08\u305d\u3046\u3067\u306a\u304f\uff09\u3082\u3057\u6761\u4ef6B\u306a\u3089\u51e6\u7406Y\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u8ffd\u52a0\u306e\u6761\u4ef6\u3092\u4e26\u3079\u308b\u305f\u3081\u306e\u69cb\u6587\u3067\u30013\u3064\u4ee5\u4e0a\u306e\u5206\u5c90\u3092\u4f5c\u308a\u305f\u3044\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002\u8a55\u4fa1\u306f\u4e0a\u304b\u3089\u9806\u306b\u884c\u308f\u308c\u3001\u6700\u521d\u306btrue\u306b\u306a\u3063\u305f\u6761\u4ef6\u306e\u30d6\u30ed\u30c3\u30af\u3060\u3051\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. else if\u3092\u4e26\u3079\u308b\u3068\u304d\u3001\u6761\u4ef6\u306e\u9806\u756a\u306f\u3069\u3046\u6c7a\u3081\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u7bc4\u56f2\u304c\u72ed\u3044\uff08\u3088\u308a\u9650\u5b9a\u7684\u306a\uff09\u6761\u4ef6\u3092\u5148\u306b\u3001\u5e83\u3044\u6761\u4ef6\u3092\u5f8c\u306b\u66f8\u304f\u306e\u304c\u57fa\u672c\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u300c90\u70b9\u4ee5\u4e0a\u300d\u300c80\u70b9\u4ee5\u4e0a\u300d\u300c60\u70b9\u4ee5\u4e0a\u300d\u3068\u3044\u3046\u5224\u5b9a\u306a\u3089\u3001\u3053\u306e\u9806\u756a\u3067\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5e83\u3044\u6761\u4ef6\u3092\u5148\u306b\u66f8\u304f\u3068\u3001\u305d\u308c\u3088\u308a\u5f8c\u308d\u306e\u6761\u4ef6\u306b\u306f\u6c38\u9060\u306b\u5230\u9054\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. ==\u3068===\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u696d\u52d9\u3067\u4f7f\u3046\u30b3\u30fc\u30c9\u3067\u306f\u57fa\u672c\u7684\u306b===\uff08\u304a\u3088\u3073!==\uff09\u3092\u4f7f\u3046\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002==\u306f\u578b\u304c\u7570\u306a\u308b\u5024\u540c\u58eb\u3067\u3082\u578b\u5909\u63db\u3057\u3066\u304b\u3089\u6bd4\u8f03\u3059\u308b\u305f\u3081\u3001\u6570\u5024\u306e0\u3068\u6587\u5b57\u5217\u306e\"0\"\u304c\u4e00\u81f4\u3059\u308b\u306a\u3069\u3001\u76f4\u611f\u3068\u7570\u306a\u308b\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u578b\u3092\u660e\u793a\u7684\u306b\u5909\u63db\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3042\u3089\u304b\u3058\u3081Number()\u306a\u3069\u3067\u5909\u63db\u3057\u3066\u304b\u3089===\u3067\u6bd4\u8f03\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. truthy\u30fbfalsy\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f0\u306f\u6761\u4ef6\u5f0f\u3067\u3069\u3046\u6271\u308f\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. JavaScript\u306eif\u6587\u306b\u5024\u3092\u305d\u306e\u307e\u307e\u5165\u308c\u308b\u3068\u3001false\u30fb0\u30fb\"\"\uff08\u7a7a\u6587\u5b57\u5217\uff09\u30fbnull\u30fbundefined\u30fbNaN\u306e6\u7a2e\u985e\u3060\u3051\u304cfalse\u76f8\u5f53\uff08falsy\uff09\u3068\u3057\u3066\u6271\u308f\u308c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5024\uff08\u6587\u5b57\u5217\u306e\"0\"\u3084\u7a7a\u306e\u914d\u5217[]\u3092\u542b\u3080\uff09\u306f\u3059\u3079\u3066true\u76f8\u5f53\uff08truthy\uff09\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u30020\u306f\u6570\u5024\u3068\u3057\u3066falsy\u306b\u306a\u308b\u305f\u3081\u3001\u300c0\u4ef6\u300d\u3092\u300c\u672a\u5165\u529b\u300d\u3068\u8aa4\u5224\u5b9a\u3057\u306a\u3044\u3088\u3046\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. if\u6587\u3068switch\u6587\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u6761\u4ef6\u304c\u7bc4\u56f2\uff08\u3007\u3007\u4ee5\u4e0a\u306a\u3069\uff09\u3084\u8907\u5408\u6761\u4ef6\u3092\u542b\u3080\u5834\u5408\u306fif\/else if\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u30021\u3064\u306e\u5024\u306b\u5bfe\u3057\u3066\u591a\u6570\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5224\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001switch\u6587\u306e\u65b9\u304c\u30b3\u30fc\u30c9\u304c\u6574\u7406\u3055\u308c\u3066\u898b\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002switch\u6587\u306fcase\u306e\u6bd4\u8f03\u304c\u578b\u307e\u3067\u542b\u3081\u305f\u53b3\u5bc6\u306a\u4e00\u81f4\u3067\u884c\u308f\u308c\u308b\u70b9\u3001break\u5fd8\u308c\u3067\u6b21\u306ecase\u306b\u51e6\u7406\u304c\u843d\u3061\u3066\u3057\u307e\u3046\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. JavaScript\u3092\u52c9\u5f37\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u6761\u4ef6\u5206\u5c90\u3092\u4f7f\u3063\u305f\u51e6\u7406\u306f\u4f5c\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u4f5c\u308c\u307e\u3059\u3002Claude Code\u306e\u3088\u3046\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578bAI\u30c4\u30fc\u30eb\u3067\u3042\u308c\u3070\u3001\u5224\u5b9a\u3057\u305f\u3044\u6761\u4ef6\u3068\u5bfe\u8c61\u30c7\u30fc\u30bf\u3092\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001else if\u306e\u9806\u5e8f\u3084\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u5206\u3051\u30010\u3084\u7a7a\u6587\u5b57\u306e\u6271\u3044\u307e\u3067\u542b\u3081\u3066\u8003\u616e\u3057\u305f\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u3066\u3082\u3089\u3048\u307e\u3059\u3002if\u30fbelse if\u30fb==\u30fb===\u3068\u3044\u3063\u305f\u69cb\u6587\u3092\u6697\u8a18\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u76ee\u7684\u3092\u8a00\u8a9e\u5316\u3067\u304d\u308c\u3070\u5b9f\u88c5\u306b\u305f\u3069\u308a\u7740\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u6761\u4ef6\u5206\u5c90\u306e\u30b3\u30fc\u30c9\u304c\u610f\u56f3\u901a\u308a\u52d5\u3044\u3066\u3044\u308b\u304b\u3001\u81ea\u5206\u3067\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5883\u754c\u5024\uff08\u3061\u3087\u3046\u3069\u305d\u306e\u91d1\u984d\u30fb0\u4ef6\u30fb\u7a7a\u6587\u5b57\u306a\u3069\uff09\u3092\u4f7f\u3063\u3066\u30c6\u30b9\u30c8\u3059\u308b\u306e\u304c\u6700\u3082\u6709\u52b9\u3067\u3059\u3002console.log()\u3067\u5224\u5b9a\u7d50\u679c\u3092\u51fa\u529b\u3055\u305b\u306a\u304c\u3089\u3001\u6b63\u5e38\u306a\u30c7\u30fc\u30bf\u3068\u6975\u7aef\u306a\u30c7\u30fc\u30bf\u306e\u4e21\u65b9\u3092\u8a66\u3057\u3001\u72d9\u3063\u305f\u5206\u5c90\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u4e00\u3064\u305a\u3064\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002Claude Code\u306b\u4f9d\u983c\u3057\u305f\u5834\u5408\u3082\u3001\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u5b9f\u30c7\u30fc\u30bf\u3067\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u5de5\u7a0b\u306f\u5fc5\u305a\u631f\u3080\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"if\u6587\u3068else if\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"if\u6587\u306f\u300c\u3082\u3057\u6761\u4ef6A\u306a\u3089\u51e6\u7406X\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u5358\u4e00\u306e\u5224\u65ad\u3092\u8868\u3059\u69cb\u6587\u3067\u3059\u3002else if\u306f\u3001if\u6587\u306b\u7d9a\u3051\u3066\u300c\uff08\u305d\u3046\u3067\u306a\u304f\uff09\u3082\u3057\u6761\u4ef6B\u306a\u3089\u51e6\u7406Y\u3092\u5b9f\u884c\u3059\u308b\u300d\u3068\u3044\u3046\u8ffd\u52a0\u306e\u6761\u4ef6\u3092\u4e26\u3079\u308b\u305f\u3081\u306e\u69cb\u6587\u3067\u30013\u3064\u4ee5\u4e0a\u306e\u5206\u5c90\u3092\u4f5c\u308a\u305f\u3044\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002\u8a55\u4fa1\u306f\u4e0a\u304b\u3089\u9806\u306b\u884c\u308f\u308c\u3001\u6700\u521d\u306btrue\u306b\u306a\u3063\u305f\u6761\u4ef6\u306e\u30d6\u30ed\u30c3\u30af\u3060\u3051\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"else if\u3092\u4e26\u3079\u308b\u3068\u304d\u3001\u6761\u4ef6\u306e\u9806\u756a\u306f\u3069\u3046\u6c7a\u3081\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u7bc4\u56f2\u304c\u72ed\u3044\uff08\u3088\u308a\u9650\u5b9a\u7684\u306a\uff09\u6761\u4ef6\u3092\u5148\u306b\u3001\u5e83\u3044\u6761\u4ef6\u3092\u5f8c\u306b\u66f8\u304f\u306e\u304c\u57fa\u672c\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u300c90\u70b9\u4ee5\u4e0a\u300d\u300c80\u70b9\u4ee5\u4e0a\u300d\u300c60\u70b9\u4ee5\u4e0a\u300d\u3068\u3044\u3046\u5224\u5b9a\u306a\u3089\u3001\u3053\u306e\u9806\u756a\u3067\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5e83\u3044\u6761\u4ef6\u3092\u5148\u306b\u66f8\u304f\u3068\u3001\u305d\u308c\u3088\u308a\u5f8c\u308d\u306e\u6761\u4ef6\u306b\u306f\u6c38\u9060\u306b\u5230\u9054\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"==\u3068===\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u696d\u52d9\u3067\u4f7f\u3046\u30b3\u30fc\u30c9\u3067\u306f\u57fa\u672c\u7684\u306b===\uff08\u304a\u3088\u3073!==\uff09\u3092\u4f7f\u3046\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002==\u306f\u578b\u304c\u7570\u306a\u308b\u5024\u540c\u58eb\u3067\u3082\u578b\u5909\u63db\u3057\u3066\u304b\u3089\u6bd4\u8f03\u3059\u308b\u305f\u3081\u3001\u6570\u5024\u306e0\u3068\u6587\u5b57\u5217\u306e\\\"0\\\"\u304c\u4e00\u81f4\u3059\u308b\u306a\u3069\u3001\u76f4\u611f\u3068\u7570\u306a\u308b\u7d50\u679c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u578b\u3092\u660e\u793a\u7684\u306b\u5909\u63db\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3042\u3089\u304b\u3058\u3081Number()\u306a\u3069\u3067\u5909\u63db\u3057\u3066\u304b\u3089===\u3067\u6bd4\u8f03\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"truthy\u30fbfalsy\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f0\u306f\u6761\u4ef6\u5f0f\u3067\u3069\u3046\u6271\u308f\u308c\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"JavaScript\u306eif\u6587\u306b\u5024\u3092\u305d\u306e\u307e\u307e\u5165\u308c\u308b\u3068\u3001false\u30fb0\u30fb\\\"\\\"\uff08\u7a7a\u6587\u5b57\u5217\uff09\u30fbnull\u30fbundefined\u30fbNaN\u306e6\u7a2e\u985e\u3060\u3051\u304cfalse\u76f8\u5f53\uff08falsy\uff09\u3068\u3057\u3066\u6271\u308f\u308c\u3001\u305d\u308c\u4ee5\u5916\u306e\u5024\uff08\u6587\u5b57\u5217\u306e\\\"0\\\"\u3084\u7a7a\u306e\u914d\u5217[]\u3092\u542b\u3080\uff09\u306f\u3059\u3079\u3066true\u76f8\u5f53\uff08truthy\uff09\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u30020\u306f\u6570\u5024\u3068\u3057\u3066falsy\u306b\u306a\u308b\u305f\u3081\u3001\u300c0\u4ef6\u300d\u3092\u300c\u672a\u5165\u529b\u300d\u3068\u8aa4\u5224\u5b9a\u3057\u306a\u3044\u3088\u3046\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3067\u660e\u793a\u7684\u306b\u5224\u5b9a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"if\u6587\u3068switch\u6587\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u6761\u4ef6\u304c\u7bc4\u56f2\uff08\u3007\u3007\u4ee5\u4e0a\u306a\u3069\uff09\u3084\u8907\u5408\u6761\u4ef6\u3092\u542b\u3080\u5834\u5408\u306fif\/else if\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u30021\u3064\u306e\u5024\u306b\u5bfe\u3057\u3066\u591a\u6570\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5224\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001switch\u6587\u306e\u65b9\u304c\u30b3\u30fc\u30c9\u304c\u6574\u7406\u3055\u308c\u3066\u898b\u3084\u3059\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002switch\u6587\u306fcase\u306e\u6bd4\u8f03\u304c\u578b\u307e\u3067\u542b\u3081\u305f\u53b3\u5bc6\u306a\u4e00\u81f4\u3067\u884c\u308f\u308c\u308b\u70b9\u3001break\u5fd8\u308c\u3067\u6b21\u306ecase\u306b\u51e6\u7406\u304c\u843d\u3061\u3066\u3057\u307e\u3046\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"JavaScript\u3092\u52c9\u5f37\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u6761\u4ef6\u5206\u5c90\u3092\u4f7f\u3063\u305f\u51e6\u7406\u306f\u4f5c\u308c\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u4f5c\u308c\u307e\u3059\u3002Claude Code\u306e\u3088\u3046\u306a\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u578bAI\u30c4\u30fc\u30eb\u3067\u3042\u308c\u3070\u3001\u5224\u5b9a\u3057\u305f\u3044\u6761\u4ef6\u3068\u5bfe\u8c61\u30c7\u30fc\u30bf\u3092\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001else if\u306e\u9806\u5e8f\u3084\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u5206\u3051\u30010\u3084\u7a7a\u6587\u5b57\u306e\u6271\u3044\u307e\u3067\u542b\u3081\u3066\u8003\u616e\u3057\u305f\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u3066\u3082\u3089\u3048\u307e\u3059\u3002if\u30fbelse if\u30fb==\u30fb===\u3068\u3044\u3063\u305f\u69cb\u6587\u3092\u6697\u8a18\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u76ee\u7684\u3092\u8a00\u8a9e\u5316\u3067\u304d\u308c\u3070\u5b9f\u88c5\u306b\u305f\u3069\u308a\u7740\u3051\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u6761\u4ef6\u5206\u5c90\u306e\u30b3\u30fc\u30c9\u304c\u610f\u56f3\u901a\u308a\u52d5\u3044\u3066\u3044\u308b\u304b\u3001\u81ea\u5206\u3067\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u306f\u3042\u308a\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5883\u754c\u5024\uff08\u3061\u3087\u3046\u3069\u305d\u306e\u91d1\u984d\u30fb0\u4ef6\u30fb\u7a7a\u6587\u5b57\u306a\u3069\uff09\u3092\u4f7f\u3063\u3066\u30c6\u30b9\u30c8\u3059\u308b\u306e\u304c\u6700\u3082\u6709\u52b9\u3067\u3059\u3002console.log()\u3067\u5224\u5b9a\u7d50\u679c\u3092\u51fa\u529b\u3055\u305b\u306a\u304c\u3089\u3001\u6b63\u5e38\u306a\u30c7\u30fc\u30bf\u3068\u6975\u7aef\u306a\u30c7\u30fc\u30bf\u306e\u4e21\u65b9\u3092\u8a66\u3057\u3001\u72d9\u3063\u305f\u5206\u5c90\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u4e00\u3064\u305a\u3064\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002Claude Code\u306b\u4f9d\u983c\u3057\u305f\u5834\u5408\u3082\u3001\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u5b9f\u30c7\u30fc\u30bf\u3067\u52d5\u4f5c\u78ba\u8a8d\u3059\u308b\u5de5\u7a0b\u306f\u5fc5\u305a\u631f\u3080\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n","protected":false},"excerpt":{"rendered":"<p>JavaScript\u306eif\u6587\u306e\u57fa\u672c\u3001else if\u306e\u5b9f\u884c\u9806\u5e8f\u3001==\u3068===\u306e\u9055\u3044\u3001truthy\/falsy\u306e\u6ce8\u610f\u70b9\u3092\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u306b\u4f8b\u3048\u3066\u89e3\u8aac\u3002\u69cb\u6587\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u3001\u6761\u4ef6\u3092\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067Claude Code\u304c\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":25421,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"sitemap_hide":"","_veu_custom_css":"","vkexunit_cta_each_option":"","footnotes":"","rank_math_description":"JavaScript\u306eif\u6587\u306e\u57fa\u672c\u3001else if\u306e\u5b9f\u884c\u9806\u5e8f\u3001==\u3068===\u306e\u9055\u3044\u3001truthy\/falsy\u306e\u6ce8\u610f\u70b9\u3092\u300c\u3082\u3057\u3007\u3007\u306a\u3089\u300d\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u306b\u4f8b\u3048\u3066\u89e3\u8aac\u3002\u69cb\u6587\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u3001\u6761\u4ef6\u3092\u65e5\u672c\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067Claude Code\u304c\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002","rank_math_focus_keyword":"if\u6587 \u6761\u4ef6\u5206\u5c90","rank_math_title":"\u30102026\u5e748\u6708\u6700\u65b0\u3011JavaScript\u306eif\u6587\u3068\u306f\uff1f\u6761\u4ef6\u5206\u5c90\u306e\u8003\u3048\u65b9\u30fbelse if\u306e\u4f7f\u3044\u65b9\u304b\u3089Claude 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