{"description":"\u7121\u540d\u30af\u30e9\u30b9 let Hello = class { constructor(name) { this.name = name; } hello() { console.log('hello', this.name); } } let h = new Hello('Tanaka'); h.hello(); // hello Tanaka \u7121\u540d\u30af\u30e9\u30b9\u3092\u5373\u6642 new \u3059\u308b\u3002\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u308b\u3060\u3051\u3002 new class { constructor(name) { console.log('hi!', name); } } ('Tanaka'); \u7121\u540d\u30af\u30e9\u30b9\u3092 new \u3057\u3066\u5909\u6570\u306b\u5165\u308c\u308b let h\u2026","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgolang.hateblo.jp%2Fentry%2Fjavascript-anonymous-immediate-class\" title=\"JavaScript\u306e\u30af\u30e9\u30b9\u306f\u7121\u540d/\u533f\u540d\u30af\u30e9\u30b9\u306b\u3067\u304d\u308b\u3057\u5373\u6642new\u3067\u304d\u308b - golang\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"golang\u306e\u65e5\u8a18","categories":["JavaScript"],"version":"1.0","blog_url":"https://golang.hateblo.jp/","type":"rich","url":"https://golang.hateblo.jp/entry/javascript-anonymous-immediate-class","published":"2019-12-30 10:30:00","provider_name":"Hatena Blog","height":"190","author_name":"golang","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/g/golang/20220311/20220311092646.png","title":"JavaScript\u306e\u30af\u30e9\u30b9\u306f\u7121\u540d/\u533f\u540d\u30af\u30e9\u30b9\u306b\u3067\u304d\u308b\u3057\u5373\u6642new\u3067\u304d\u308b","author_url":"https://blog.hatena.ne.jp/golang/"}