{"image_url":null,"author_url":"https://blog.hatena.ne.jp/sirakabaararagi/","categories":["JavaScript"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirakabaararagi.hatenablog.com%2Fentry%2F2019%2F09%2F12%2F152323\" title=\"Javascript\u306enew Date()\u306e\u30df\u30ea\u79d2\u53d6\u5f97\u65b9\u6cd5\u5404\u7a2e - \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>","url":"https://sirakabaararagi.hatenablog.com/entry/2019/09/12/152323","type":"rich","published":"2019-09-12 15:23:23","blog_url":"https://sirakabaararagi.hatenablog.com/","provider_name":"Hatena Blog","version":"1.0","provider_url":"https://hatena.blog","description":"<script> //\u4e0b\u8a18\u306f1970/1/1 00:00:00\u304b\u3089\u6307\u5b9a\u65e5\u6642\u307e\u3067\u306e\u7d4c\u904e\u30df\u30ea\u79d2\u3092\u6570\u5024\u3068\u3057\u3066\u4fdd\u6301\u3059\u308b var a = new Date(2000,1,2,3,4,5);//2000/2/2 03:04:05 \u6708\u306e\u6240\u306f\u5024\u304c+1\u3055\u308c\u308b var b = new Date(2000,2,2); //2000/3/2 00:00:00 var c = new Date(2000,0); //2000/1/1 00:00:00 var now = new Date().getTime(); //\u73fe\u5728 var toYear = new Date(new Date().getFullYear(),0\u2026","blog_title":"\u30a6\u30a7\u30d6\u5bb6\u306e\u5099\u5fd8\u9332","author_name":"sirakabaararagi","title":"Javascript\u306enew Date()\u306e\u30df\u30ea\u79d2\u53d6\u5f97\u65b9\u6cd5\u5404\u7a2e","width":"100%","height":"190"}