es6
ES6 教程 - JavaScript 教程
ES6 类
之前
function Person(name) { this.name = name; } Person.prototype.getName = function () { return this.name; }; var john = new Person("John Doe"); console.log(john.getName());
之后
class Person { constructor(name) { this.name = name; } getName() { return this.name; } }