{"width":"100%","blog_url":"https://potisan-programming-memo.hatenablog.jp/","url":"https://potisan-programming-memo.hatenablog.jp/entry/2020/10/22/190953","type":"rich","blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","provider_name":"Hatena Blog","version":"1.0","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/potisan/","image_url":null,"title":"JavaScript TypedArray\u306emap\u30e1\u30bd\u30c3\u30c9\u306e\u6ce8\u610f\uff08\u5f37\u5236\u7684\u306a\u578b\u5909\u63db\uff09","author_name":"potisan","height":"190","description":"TypedArray.prototype.map(...) \u5909\u63db\u7d50\u679c\u304cUint8\u2192\u4e88\u60f3\u901a\u308a\u306e\u7d50\u679c \u5909\u63db\u7d50\u679c\u304c\u6587\u5b57\u5217\u7b49\u2192\u4e88\u60f3\u5916\u306e\u7d50\u679c\uff08e.g. [0, 0, 0, ...]\uff09 TypedArray.prototype.map\u306e\u623b\u308a\u5024\u306fTypedArray\u3067\u3042\u308a\u3001\u5404\u8981\u7d20\u306fTypedArray\u306e\u8981\u7d20\u578b\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070Uint8Array.prototype.map\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u306fUint8Array\u3067\u3042\u308a\u3001\u5404\u8981\u7d20\u306fUint8\u3078\u5909\u63db\u3055\u308c\u307e\u3059\u3002Array\u306emap\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u3058\u611f\u899a\u3067\u6587\u5b57\u5217\u3078\u5909\u63db\u3057\u305f\u5834\u5408\u3001\u623b\u308a\u5024\u306f\u3059\u3079\u30660\u306eTypedArray\u306b\u306a\u308a\u307e\u3059\u3002 \u4e0a\u8a18\u306f[...Array]\u3084Array.f\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2020%2F10%2F22%2F190953\" title=\"JavaScript TypedArray\u306emap\u30e1\u30bd\u30c3\u30c9\u306e\u6ce8\u610f\uff08\u5f37\u5236\u7684\u306a\u578b\u5909\u63db\uff09 - potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["JavaScript"],"published":"2020-10-22 19:09:53"}