随笔分类 - es6
es6知识
摘要：理解 promise是解决异步处理回调问题 Promise对象状态 pending: 初始状态，不是成功或失败状态。 fulfilled: 意味着操作成功完成。 rejected: 意味着操作失败。 用法 const p = new Promise((resolve,reject)=>{ setTi
阅读全文
摘要：可选链操作符 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>es11-可选链操作符</title> </head> <body> <script> function connect(config) { //
阅读全文
摘要：正则扩展-正反断言 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>es9-正则扩展-正反断言</title> </head> <body> <script> //字符串 let str = 'telepho
阅读全文
摘要：正则扩展-命名捕获分组 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>es9-正则扩展-命名捕获分组</title> </head> <body> <script> //字符串 let str = '<a
阅读全文
摘要：正则扩展-dotAll模式 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>es9-正则扩展-dotAll模式</title> </head> <body> <script> //字符串 let str =
阅读全文
摘要：await函数 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>await函数</title> </head> <body> <script> const p = new Promise((resolve,r
阅读全文
摘要：async和await结合使用 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>async和await结合使用</title> </head> <body> <script> function readDat
阅读全文
摘要：async函数 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>async函数</title> </head> <body> <script> async function fn() { //return 1
阅读全文
摘要：模块化-babel转换ES6 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>模块化-babel转换ES6</title> </head> <body> <script src="src/js/app.js"
阅读全文
摘要：模块化-import语法 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>模块化-import语法</title> </head> <body> <script type="module"> //1通用导入方
阅读全文
摘要：模块化-export语法 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>模块化-export语法</title> </head> <body> <script type="module"> //m1.js文
阅读全文
摘要：模块化 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>模块化</title> </head> <body> <div id="ad"> </div> <div></div> <script> //m1.js
阅读全文
摘要：class对象继承 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>class对象继承</title> </head> <body> <div id="ad"> </div> <div></div> <scr
阅读全文
摘要：class子类对父类重写 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>class子类对父类重写</title> </head> <body> <div id="ad"> </div> <div></div
阅读全文
摘要：class静态成员 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>class静态成员</title> </head> <body> <div id="ad"> </div> <div></div> <scr
阅读全文
摘要：class <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>class</title> </head> <body> <div id="ad"> </div> <div></div> <script> //E
阅读全文
摘要：Map <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Map</title> </head> <body> <div id="ad"> </div> <div></div> <script> //声明 le
阅读全文
摘要：set集合实践 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>set集合实践</title> </head> <body> <div id="ad"> </div> <div></div> <script>
阅读全文
摘要：set集合 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>set集合</title> </head> <body> <div id="ad"> </div> <div></div> <script> //s
阅读全文
摘要：promise读取文件 //js文件 <script> const fs = require('fs'); // fs.readFile("./test1.txt", function (err, data) { // if(err) throw err; // console.log(data.t
阅读全文
