{"provider_url":"https://hatena.blog","url":"https://randommemory.hatenablog.com/entry/2016/12/19/034104","provider_name":"Hatena Blog","type":"rich","image_url":null,"published":"2016-12-19 03:41:04","categories":["JavaScript"],"version":"1.0","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","width":"100%","description":"ECMAScript\u306a\u3093\u3066\u5acc\u306a\u601d\u3044\u51fa\u3057\u304b\u306a\u3044\u3057\u3001\u672c\u5f53\u306f\u3082\u3046\u91d1\u8f2a\u969b\u89e6\u308c\u305f\u304f\u3082\u306a\u3044\u306e\u3060\u304cNode.js\u8a66\u904b\u8ee2 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3057\u3066\u307f\u305f\u3057\u3001\u307e\u3041\u3001\u898b\u3066\u307f\u308b\u304b\u3041\u3002 \u30af\u30e9\u30b9 - JavaScript | MDN\u3092\u4e38\u30d1\u30af\u3057\u3064\u3064 class Animal { constructor(name) { this.name = name; } speak() { console.log(this.name + ' makes a noise.'); } } class Dog extends Animal { speak() { console.log(this.name + ' barks.'); } } l\u2026","author_name":"derwind","blog_url":"https://randommemory.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/derwind/","height":"190","title":"ECMAScript 2015","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F12%2F19%2F034104\" title=\"ECMAScript 2015 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}