{"categories":[],"version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/k/kinakachan/20250402/20250402102454.png","provider_name":"Hatena Blog","type":"rich","description":"\u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\uff01\u6728\u6751\u3067\u3059\uff01 \u666e\u6bb5TypeScript\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u578b\u306e\u7406\u89e3\u304c\u307e\u3060\u307e\u3060\u3060\u306a\u3068\u611f\u3058\u308b\u3053\u306e\u9803\u3067\u3059\u3002 \u57fa\u672c\u7684\u306a\u578b\u3092\u610f\u8b58\u3057\u3066\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306f\u3042\u308c\u3069\u3001\u767a\u5c55\u3057\u305f\u578b\u306e\u6307\u5b9a\u304c\u96e3\u3057\u3044\u306a\u3068\u601d\u3046\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001\u4e00\u5ea6\u304d\u3061\u3093\u3068\u52c9\u5f37\u3057\u3088\u3046\u3068\u601d\u3044\u4eca\u56de\u306e\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3057\u305f\uff01 \u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\uff01 \u57fa\u672c\u306e\u578b number\u578b \u6570\u5024\u3092\u6271\u3046\u578b\u3002\u6574\u6570\u304b\u3089\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3001\u8ca0\u306e\u5024\u307e\u3067\u3001\u3042\u3089\u3086\u308b\u6570\u5024\u304c\u5206\u985e\u3055\u308c\u307e\u3059\u3002 NaN(Not a Number)\u3084Infinity\u3068\u8a00\u3063\u305f\u7279\u6b8a\u306a\u5024\u3082number\u578b\u306b\u542b\u307e\u308c\u307e\u3059\u3002 string\u578b \u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306e\u578b\u3067\u3059\u3002\u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c8\uff08\u2019\uff09\u3001\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\uff08\u201d\uff09\u2026","title":"\u578b\u3092\u3082\u3046\u5c11\u3057\u81ea\u5728\u306b\u4f7f\u3048\u308b\u69d8\u306b\u306a\u308a\u305f\u3044","height":"190","blog_title":"iimon TECH BLOG","author_url":"https://blog.hatena.ne.jp/kinakachan/","blog_url":"https://tech.iimon.co.jp/","author_name":"kinakachan","published":"2025-04-04 10:45:35","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.iimon.co.jp%2Fentry%2F2025%2F04%2F04%2F104535\" title=\"\u578b\u3092\u3082\u3046\u5c11\u3057\u81ea\u5728\u306b\u4f7f\u3048\u308b\u69d8\u306b\u306a\u308a\u305f\u3044 - iimon TECH BLOG\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://tech.iimon.co.jp/entry/2025/04/04/104535","provider_url":"https://hatena.blog"}