ES6 转 ES5

祈福qifu

于 2023-06-19 14:38:34 发布

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文章标签： javascript 前端开发语言

本文链接：https://blog.youkuaiyun.com/m0_37566921/article/details/131287583

版权

class Person {
     constructor (name) {
          this.name = name;
     }
     greet () {
          console.log(`Hi, my name is ${this.name}`);
     }
     greetDelay (time) {
          setTimeout(() => {
               console.log(`Hi, my name is ${this.name}`);
          }, time);
     }
}

ES6代码编译后所生成的ES5代码

var Person = (function () {
    function Person (name) {
        this._name = name;
    }
    Person.prototype.greet = function () {
          console.log("Hi, my name is " + this._name);
    }
    Person.prototype.greetDelay = function (time) {
        var _this = this;
        setTimeout(function () {
            console.log("Hi, my name is " + _this.name);
        }, time);
    }
})();