{"categories":["JavaScript","HTML"],"blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","published":"2021-10-10 13:53:53","author_url":"https://blog.hatena.ne.jp/potisan/","width":"100%","provider_url":"https://hatena.blog","height":"190","blog_url":"https://potisan-programming-memo.hatenablog.jp/","image_url":null,"url":"https://potisan-programming-memo.hatenablog.jp/entry/2021/10/10/135353","title":"HTML5&JS \u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\u3057\u3066\u5185\u5bb9\u3092\u8aad\u307f\u8fbc\u3080","author_name":"potisan","version":"1.0","type":"rich","description":"HTML5\u304b\u3089\u306fINPUT\u8981\u7d20\u306btype=\"file\"\u304c\u7528\u610f\u3055\u308c\u3001JavaScript\u306eFile API\u30fbBlob\u30fbTypedArray\u3068\u4f75\u305b\u3066\u30d5\u30a1\u30a4\u30eb\u5185\u5bb9\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u30a4\u30f3\u30d7\u30c3\u30c8\u304b\u3089FileList\u3001File\u3092\u53d6\u5f97\u3059\u308b\u3002 Sample