{"image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/164090/151424731416075","url":"https://www.b-chan.jp/entry/programming/JavaScript-random-floor","blog_title":"\u975e\u5929\u30de\u30b6\u30fc by B-CHAN","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","published":"2018-04-18 00:30:00","blog_url":"https://www.b-chan.jp/","categories":["\u30d7\u30ed\u30b0\u30e9\u30e0"],"title":"JavaScript\u3067\u4e71\u6570\u3092\u6574\u6570\u5316\u3059\u308b\u306e\u306b\u60a9\u3093\u3060","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.b-chan.jp%2Fentry%2Fprogramming%2FJavaScript-random-floor\" title=\"JavaScript\u3067\u4e71\u6570\u3092\u6574\u6570\u5316\u3059\u308b\u306e\u306b\u60a9\u3093\u3060 - \u975e\u5929\u30de\u30b6\u30fc by B-CHAN\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","description":"\u4e71\u6570 \u3053\u3093\u306b\u3061\u306f\u3001\u4eca\u56de\u3082JavaScript\u5b66\u7fd2\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002 \u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306eExcel\u3092\u4f7f\u3046\u5834\u5408\u3001\u56db\u6368\u4e94\u5165\u3084\u5207\u308a\u6368\u3066\u3001\u5207\u308a\u4e0a\u3052\u306f\u3001 round rounddown roundup \u3092\u4f7f\u3044\u307e\u3059\u3002 \u4f8b\u3048\u3070\u3001A5\u30bb\u30eb\u306b\u3001\u4f55\u3089\u304b\u306e\u6570\u5024\u304c\u5165\u3063\u3066\u3044\u3066\u3001\u305d\u308c\u3092\u5207\u308a\u6368\u3066\u3066\u6574\u6570\u306b\u3059\u308b\u5834\u5408\u3001 =rounddown(A5) \u306a\u3093\u3066\u66f8\u304d\u307e\u3059\u3088\u306d\u3002 JavaScript\u5b66\u7fd2\u4e2d\u306e\u30dc\u30af\u306f\u3001\u4eca\u56de\u3001\u3053\u306e\u5207\u308a\u6368\u3066\u6574\u6570\u5316\u306b\u60a9\u307f\u307e\u3057\u305f\u3002 \u4e71\u6570\u3092\u6574\u6570\u5316\u3057\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u3002 \u56db\u6368\u4e94\u5165\u3001\u5207\u308a\u6368\u3066\u3001\u5207\u308a\u4e0a\u3052 JavaScript\u306b\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u3001\u4e71\u6570\u3092\u767a\u751f\u3055\u305b\u308b\u3001 Math.random() \u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u2026","type":"rich","author_name":"B-CHAN","author_url":"https://blog.hatena.ne.jp/B-CHAN/","height":"190","width":"100%"}