{"version":"1.0","description":"JavaScript (TypeScript) \u306e\u30b3\u30fc\u30c9\u304b\u3089 HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308b\u624b\u6bb5\u3068\u3057\u3066, \u6700\u8fd1\u3067\u306f Web \u6a19\u6e96\u306e\u4e00\u3064\u3067\u3042\u308b Fetch Standard \u3067\u5b9a\u7fa9\u3055\u308c\u305f fetch() \u304c\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u306d. await fetch(\"https://example.com\"); \u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u306b\u306f Host \u3092\u8a2d\u5b9a\u3067\u304d\u306a\u3044 Fetch Standard \u3067\u306f Host \u3092\u306f\u3058\u3081\u3068\u3057\u3066 Content-Length, Cookie, Origin \u306a\u3069, \u3044\u304f\u3064\u304b\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a (JavaScript \u304b\u3089\u4e0a\u66f8\u304d) \u3059\u308b\u3053\u3068\u304c\u7981\u6b62\u3055\u308c\u3066\u3044\u307e\u3059. https:/\u2026","provider_url":"https://hatena.blog","image_url":null,"provider_name":"Hatena Blog","height":"190","title":"fetch() \u3067\u306f Host \u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3067\u304d\u306a\u3044\u3057\u8a71\u306f\u305d\u3053\u307e\u3067\u5358\u7d14\u3058\u3083\u306a\u3044","url":"https://susisu.hatenablog.com/entry/2025/08/31/190757","published":"2025-08-31 19:07:57","blog_title":"Object.create(null)","author_name":"susisu","categories":["JavaScript","TypeScript","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsusisu.hatenablog.com%2Fentry%2F2025%2F08%2F31%2F190757\" title=\"fetch() \u3067\u306f Host \u30d8\u30c3\u30c0\u30fc\u3092\u8a2d\u5b9a\u3067\u304d\u306a\u3044\u3057\u8a71\u306f\u305d\u3053\u307e\u3067\u5358\u7d14\u3058\u3083\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>","type":"rich","blog_url":"https://susisu.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/susisu/"}