{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.pandanoir.info%2Fentry%2F2020%2F06%2F13%2F220058\" title=\"{}\u306f\u7c21\u6613Symbol\u306b\u3067\u304d\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>","type":"rich","height":"190","provider_name":"Hatena Blog","width":"100%","published":"2020-06-13 22:00:58","categories":["JavaScript"],"url":"https://www.pandanoir.info/entry/2020/06/13/220058","blog_url":"https://www.pandanoir.info/","provider_url":"https://hatena.blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/panda_noir/","image_url":null,"title":"{}\u306f\u7c21\u6613Symbol\u306b\u3067\u304d\u308b","author_name":"panda_noir","description":"Symbol\u306e\u4f7f\u3044\u65b9\u3068\u3057\u3066\u3001\u305f\u3068\u3048\u3070\u72ec\u81ea\u306e\u7279\u6b8a\u5024\u3092\u6301\u3061\u305f\u3044\u3068\u8a00\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002 // myFind: \u914d\u5217\u3068\u95a2\u6570\u3092\u53d7\u3051\u53d6\u308a\u3001 // \u95a2\u6570\u3092\u6e80\u305f\u3059\u8981\u7d20\u304c\u898b\u3064\u304b\u308c\u3070\u305d\u306e\u8981\u7d20\u3001 // \u898b\u3064\u304b\u3089\u306a\u3051\u308c\u3070null\u3092\u8fd4\u3059 const myFind = (arr, f) => { for (let i = 0; i < arr.length; i++) { if (f[arr[i]]) return arr[i]; } return null; // \u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f }; const res = myFind(arr, n => n % 2 === 0); // \u3067\u306fnull\u3092\u63a2\u3057\u305f\u3044\u3068\u304d\u306f\u3069\u3046\u3059\u308b\uff1f \u2026","blog_title":"Panda Noir"}