{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.akagoma.com%2Fentry%2F2025%2F02%2F17%2Freact-use-state\" title=\"useState()\u3057\u305f\u5024\u3092set\u3067\u66f4\u65b0\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u306a\u305c\u304b\u53e4\u3044\u5024\u3067\u66f4\u65b0\u3055\u308c\u3066\u30cf\u30de\u3063\u305f - \u8d64\u3054\u307e\u30f1\u30f3\u30c2\u30cb\u30a2\u30ea\u30f3\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","description":"\u898b\u4e8b\u306b\u5f15\u3063\u304b\u304b\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 TL;DR useState()\u306e\u5024\u306f\u5e38\u306b\u6700\u65b0\u3068\u306f\u9650\u3089\u3093\u305e\u3002 ja.react.dev \u3084\u308a\u305f\u304b\u3063\u305f\u3053\u3068 useState\u3067Record<ID, Record<string, any>>\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u3001onChange\u3092\u53d7\u3051\u305fID\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3060\u3051\u3092\u5909\u66f4\u3057\u305f\u304b\u3063\u305f\u3002 \u306a\u306b\u304c\u304a\u304d\u305f ID=1\u3092\u66f4\u65b0\u3057\u3066\u3001ID=2\u3092\u66f4\u65b0\u3059\u308b\u3068\u3001ID=1\u304c\u904e\u53bb\u30c7\u30fc\u30bf\u306b\u5dfb\u304d\u623b\u308b\u73fe\u8c61\u304c\u8d77\u304d\u305f\u3002 \u3069\u3046\u5bfe\u7b56\u3057\u305f useState\u306e\u5024\u3092\u4f7f\u3046\u306e\u3067\u306f\u306a\u304f\u3001set\u95a2\u6570\u3067\u3046\u307e\u3044\u3053\u3068\u5bfe\u5fdc\u3057\u305f\u3002 \u8a73\u3057\u3044\u3053\u3068\u306f\u300cuseState \u5024 \u53cd\u6620\u300d\u3068\u304b\u3067\u8abf\u3079\u308b\u3068\u4ed5\u69d8\u304c\u51fa\u3066\u304f\u308b\u3002","url":"https://blog.akagoma.com/entry/2025/02/17/react-use-state","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/akagoma/20250217/20250217231459.png","author_url":"https://blog.hatena.ne.jp/akagoma/","width":"100%","categories":["React","Typescript","node.js"],"blog_title":"\u8d64\u3054\u307e\u30f1\u30f3\u30c2\u30cb\u30a2\u30ea\u30f3\u30b0","provider_name":"Hatena Blog","blog_url":"https://blog.akagoma.com/","published":"2025-02-17 23:30:00","author_name":"akagoma","version":"1.0","title":"useState()\u3057\u305f\u5024\u3092set\u3067\u66f4\u65b0\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u306a\u305c\u304b\u53e4\u3044\u5024\u3067\u66f4\u65b0\u3055\u308c\u3066\u30cf\u30de\u3063\u305f","type":"rich"}