{"width":"100%","version":"1.0","blog_url":"https://sirakabaararagi.hatenablog.com/","categories":["jQuery","JavaScript","JS\u30e9\u30a4\u30d6\u30e9\u30ea"],"url":"https://sirakabaararagi.hatenablog.com/entry/2021/08/26/191433","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirakabaararagi.hatenablog.com%2Fentry%2F2021%2F08%2F26%2F191433\" title=\"JavaScript : &#39;use strict&#39;(\u53b3\u683c\u30e2\u30fc\u30c9)\u3068\u306f - \u30a6\u30a7\u30d6\u5bb6\u306e\u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u4f7f\u3044\u65b9 JavaScript\u4e2d\u306b\u300c'use strict';\u300d\u3092\u8ffd\u52a0\u3059\u308b\u3002\u53b3\u683c\u30e2\u30fc\u30c9\u306e\u6a5f\u80fd \u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u30b1\u30fc\u30b9\u306b\u5f53\u3066\u306f\u307e\u308b\u5834\u5408\u306fSyntaxError\u3092\u8fd4\u3059\u3002\u30fb8\u9032\u6570\u69cb\u6587 var n = 023; \u30fbwith \u6587 \u30fbdelete \u3092\u5909\u6570\u540d\u306b\u5bfe\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068 delete myVariable; \u30fbeval \u3084 arguments \u3092\u5909\u6570\u307e\u305f\u306f\u95a2\u6570\u306e\u5f15\u6570\u540d\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068 \u30fb(ECMAScript 2015 \u3092\u898b\u8d8a\u3057\u305f) \u65b0\u3057\u3044\u4e88\u7d04\u8a9e\u3001 implements, interface, let, package, private, protected, public, st\u2026","author_name":"sirakabaararagi","type":"rich","published":"2021-08-26 19:14:33","provider_url":"https://hatena.blog","image_url":null,"blog_title":"\u30a6\u30a7\u30d6\u5bb6\u306e\u5099\u5fd8\u9332","height":"190","title":"JavaScript : 'use strict'(\u53b3\u683c\u30e2\u30fc\u30c9)\u3068\u306f","author_url":"https://blog.hatena.ne.jp/sirakabaararagi/"}