{"width":"100%","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.pandanoir.info%2Fentry%2F2023%2F04%2F09%2F075433\" title=\"\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30c1\u30a7\u30fc\u30f3\u6f14\u7b97\u5b50\u306f\u77ed\u7d61\u8a55\u4fa1\u3055\u308c\u308b - Panda Noir\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"panda_noir","url":"https://www.pandanoir.info/entry/2023/04/09/075433","provider_url":"https://hatena.blog","title":"\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30c1\u30a7\u30fc\u30f3\u6f14\u7b97\u5b50\u306f\u77ed\u7d61\u8a55\u4fa1\u3055\u308c\u308b","blog_url":"https://www.pandanoir.info/","blog_title":"Panda Noir","version":"1.0","description":"const fun = () => {}; fun?.(console.log('hoge')); \u2191\u3053\u306e\u6642\u306f console.log('hoge') \u304c\u8a55\u4fa1\u3055\u308c\u3001\u30ed\u30b0\u306b hoge \u3068\u8868\u793a\u3055\u308c\u308b\u3002 const notFun = undefined; notFun?.(console.log('hoge')); \u2191\u3053\u306e\u6642 console.log('hoge') \u306f\u8a55\u4fa1\u3055\u308c\u306a\u3044\u3002\u3064\u307e\u308a\u30ed\u30b0\u306b\u3082 hoge \u3068\u51fa\u529b\u3055\u308c\u306a\u3044\u3002 || \u6f14\u7b97\u5b50\u3084 && \u6f14\u7b97\u5b50\u306f\u3082\u3046\u898b\u6163\u308c\u305f\u304b\u3089\u77ed\u7d61\u8a55\u4fa1\u3055\u308c\u308b\u611f\u899a\u304c\u3042\u308b\u3051\u3069\u3001\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u30c1\u30a7\u30fc\u30f3\u6f14\u7b97\u5b50\u306f\u307e\u3060\u77ed\u7d61\u8a55\u4fa1\u3055\u308c\u308b\u3068\u3044\u3046\u611f\u899a\u304c\u8584\u3044\u3002","author_url":"https://blog.hatena.ne.jp/panda_noir/","height":"190","published":"2023-04-09 07:54:33","categories":["JavaScript"],"image_url":null}