{"height":"190","version":"1.0","width":"100%","categories":["JavaScript","TypeScript"],"blog_title":"oinume journal","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foinume.hatenablog.com%2Fentry%2Fjavascript-operators-and-syntaxes\" title=\"JavaScript\u306e\u8a18\u53f7\u306e\u6f14\u7b97\u5b50\u3068\u69cb\u6587 - oinume journal\" 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://oinume.hatenablog.com/","url":"https://oinume.hatenablog.com/entry/javascript-operators-and-syntaxes","provider_name":"Hatena Blog","author_name":"oinume","author_url":"https://blog.hatena.ne.jp/oinume/","description":"JavaScript / TypeScript \u3067\u306f\u4e00\u898b\u3059\u308b\u3068\u300c\u3053\u308c\u306a\u3093\u3060\uff1f\u300d\u3068\u3044\u3046\u8a18\u53f7\u306e\u6f14\u7b97\u5b50\u3084\u69cb\u6587\u304c\u3088\u304f\u51fa\u3066\u304f\u308b\u306e\u3067\u3001\u81ea\u5206\u7528\u306e\u5099\u5fd8\u9332\u3068\u3057\u3066\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002\u5f0f\u3068\u6f14\u7b97\u5b50 - JavaScript | MDN\u306b\u306f\u6f14\u7b97\u5b50\u306e\u4e00\u89a7\u306e\u30da\u30fc\u30b8\u304c\u3042\u308b\u305f\u3081\u3001\u308f\u304b\u3089\u306a\u3044\u8a18\u53f7\u304c\u51fa\u3066\u304d\u305f\u3089\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u3092\u898b\u308b\u3068\u3060\u3044\u305f\u3044\u8f09\u3063\u3066\u3044\u308b\u306f\u305a\u3002 ?? - Nullish coalescing operator Null \u5408\u4f53 (??) - JavaScript | MDN Null \u5408\u4f53\u6f14\u7b97\u5b50 (??) \u306f\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u306e\u6f14\u7b97\u5b50\u306f\u5de6\u8fba\u304c null \u307e\u305f\u306f undefined \u306e\u5834\u5408\u306b\u53f3\u306e\u5024\u3092\u8fd4\u3057\u3001\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306b\u5de6\u306e\u5024\u2026","title":"JavaScript\u306e\u8a18\u53f7\u306e\u6f14\u7b97\u5b50\u3068\u69cb\u6587","published":"2021-09-07 18:09:10","type":"rich","provider_url":"https://hatena.blog"}