{"height":"190","provider_name":"Hatena Blog","type":"rich","blog_title":"Object.create(null)","image_url":null,"description":"\u5fc5\u8981\u3082\u306a\u3044\u306e\u306b querySelector \u3084 querySelectorAll \u306e\u578b\u5f15\u6570\u3092\u6307\u5b9a\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046. (\u3053\u306e\u8a18\u4e8b\u306f AI \u30ec\u30d3\u30e5\u30ef\u30fc\u306b\u300c\u578b\u5f15\u6570\u3092\u6307\u5b9a\u3057\u305f\u65b9\u304c\u578b\u5b89\u5168\u3060\u300d\u3068\u63d0\u6848\u3055\u308c\u305f\u306e\u306b\u5bfe\u3059\u308b\u53cd\u8ad6\u3068\u3057\u3066\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059.) querySelector \u306e\u578b\u5b89\u5168\u6027 querySelector \u3084 querySelectorAll \u306e\u578b\u5b9a\u7fa9\u306f, \u5f8c\u8ff0\u3059\u308b\u8981\u7d20\u578b\u30bb\u30ec\u30af\u30bf\u30fc\u306b\u95a2\u9023\u3059\u308b\u90e8\u5206\u3092\u9664\u304f\u3068, \u57fa\u672c\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059. querySelector<E extends Element = Element>(selectors: string): E | null; quer\u2026","version":"1.0","url":"https://susisu.hatenablog.com/entry/2025/10/10/020828","width":"100%","published":"2025-10-10 02:08:28","author_url":"https://blog.hatena.ne.jp/susisu/","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","TypeScript"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsusisu.hatenablog.com%2Fentry%2F2025%2F10%2F10%2F020828\" title=\"querySelector \u306b\u578b\u5f15\u6570\u3092\u6307\u5b9a\u3057\u306a\u3044 - Object.create(null)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"querySelector \u306b\u578b\u5f15\u6570\u3092\u6307\u5b9a\u3057\u306a\u3044","provider_url":"https://hatena.blog","author_name":"susisu","blog_url":"https://susisu.hatenablog.com/"}