{"blog_url":"https://blog.kimizuka.org/","author_name":"kimizuka","blog_title":"\u307f\u304b\u3065\u304d\u30d6\u30ed\u30b0\u30fb\u30ab\u30b9\u30bf\u30e0","url":"https://blog.kimizuka.org/entry/2024/11/11/230046","published":"2024-11-11 23:00:46","title":"super\u7d4c\u7531\u3067\u89aa\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059 \ud83d\udcbb","author_url":"https://blog.hatena.ne.jp/kimizuka/","categories":["JavaScript"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.kimizuka.org%2Fentry%2F2024%2F11%2F11%2F230046\" title=\"super\u7d4c\u7531\u3067\u89aa\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059 \ud83d\udcbb - \u307f\u304b\u3065\u304d\u30d6\u30ed\u30b0\u30fb\u30ab\u30b9\u30bf\u30e0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","width":"100%","type":"rich","height":"190","description":"\u3053\u308c\u307e\u3067\u3001super\u306e\u4f7f\u3044\u9053\u306f\u3001 class Child extends Parent { constructor(params) { super(params); } } \u3068\u3044\u3046\u611f\u3058\u3067\u3001constructor\u5185\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u3060\u3051\u3060\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001 \u3044\u307e\u3055\u3089\u306a\u304c\u3089\u3001super.prop \u304a\u3088\u3073 super[expr] \u5f0f\u306b\u3066\u3001\u89aa\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u305b\u308b\u3053\u3068\u3092\u77e5\u308a\u307e\u3057\u305f\u3002developer.mozilla.org\u3053\u308c\u3092\u5229\u7528\u3059\u308c\u3070\u3001 class Parent { say() { console.log('Ya-Ha-!'); } } class Child extends Parent { c\u2026","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/k/kimizuka/20201029/20201029194248.png","version":"1.0","provider_url":"https://hatena.blog"}