sc0002的博客

class LoginForm { constructor() { this.state = 'hide' } show() { if(this.state === 'show'){ alert('已经显示') return } this.state = 'sho...

s-单一职责原则o-开放封闭原则l-李氏置换原则i-接口独立原则d-依赖导致原则promisefunction loadImg(src) { let promise = new Promise(function(resolve, reject) { let img = document.createElement('img') img.onloa...

//父类 车辆class Car{ constructor(number, name){ this.name = name; this.number = number; }}//快车class Kuaiche extends Car{ constructor(number, name, pice){ super(nu...

什么是面向对象//父类class person{ constructor(name, age){ this.name = name; this.age = age } eat() { console.log(`${this.name} eat somethings`); } speak() { ...

npm initnpm install webpack webpack-cli --save-dev --registry=https://registry.npm.taobao.orgnpm run dev npm install webpack-dev-server html-webpack-plugin --save-dev --registry=https://registry.np...