<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> </head> <body> <h1>数组以序列号一一对应,这是一个有序的对应关系</h1> <h1>而对象根据属性名一一对应,这是一个无序的对应关系</h1> <script type="text/javascript"> // 首先有这么一个对象 const props = { userName: 'button', loading: false, clicks: true, disabled: 'disabled' } //当我们想要取得其中的2个值:loading与clicked时: // es5 var loading = props.loading; var click = props.clicks; console.log(loading) console.log(clicks) //es6 const { loading, clicks } = props; // 给一个默认值,当props对象中找不到loading时,loading就等于该默认值 const { loading = false, clicks } = props; // 比如 // section1 import React, { Component } from 'react'; // section2 export { default } from './Button'; // section3 const { click, loading } = this.props; const { isCheck } = this.state; </script> </body> </html>