{"version":"1.0","title":"\u3010JS\u3011\u3010TS\u3011\u6761\u4ef6\u5206\u5c90","height":"190","type":"rich","width":"100%","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","provider_url":"https://hatena.blog","url":"https://dk521123.hatenablog.com/entry/2022/03/12/000000","author_url":"https://blog.hatena.ne.jp/dk521123/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F2022%2F03%2F12%2F000000\" title=\"\u3010JS\u3011\u3010TS\u3011\u6761\u4ef6\u5206\u5c90 - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\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>","blog_url":"https://dk521123.hatenablog.com/","image_url":null,"categories":["JavaScript","TypeScript"],"description":"\u25a0 \u306f\u3058\u3081\u306b \u4e09\u9805\u6f14\u7b97\u5b50 \u3092\u4f7f\u3063\u305f\u306e\u3067\u8efd\u304f\u30e1\u30e2\u3002 \u3064\u3044\u3067\u306b\u3001if\u6587\u3001switch\u6587\u3082\u306e\u3063\u3051\u3068\u304f\u3002 \u57fa\u672c\u3001C \u3084 Java \u3068\u5909\u308f\u3089\u3093\u3002 \u76ee\u6b21 \u3010\uff10\u3011\u5b9f\u884c\u74b0\u5883 \u3010\uff11\u3011if\u6587 \u3010\uff12\u3011switch\u6587 \u3010\uff13\u3011\u4e09\u9805\u6f14\u7b97\u5b50 \u88dc\u8db3\uff1aNull \u5408\u4f53\u6f14\u7b97\u5b50 (nullish Coalescing) '??' \u3010\uff10\u3011\u5b9f\u884c\u74b0\u5883 * \u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3067\u304d\u308b https://www.typescriptlang.org/play \u3010\uff11\u3011if\u6587 \u30b5\u30f3\u30d7\u30eb age = 23 if (age < 20) { console(\"You can not drink...\") } else if (age >= 90) { cons\u2026","published":"2022-03-12 00:00:00","provider_name":"Hatena Blog","author_name":"dk521123"}