Classes in ECMAScript 6 (final semantics)

Warning: This blog post is outdated. Instead, read chapter “Classes” in “JavaScript for impatient programmers”. Recently, TC39 decided on the final semantics of classes in ECMAScript 6 [1]. This blog post explains how their final incarnation works. The most significant recent changes were related to how subclassing is handled. Overview # class Point { constructor(x, y) { this.x = x; this.y = y; }

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ES6 Classについての詳しい解説。 Classの挙動、使い方、Iterator、継承、`super()`、`new.target`の値、ES5では無理だったビルトインコンストラクタのサブクラスが可能になる点などについて

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#ECMAScript