写在开头，本文不定时更新~
meta:vp
<meta name="viewport" content="width=device-width, initial-scale=1.0">
(div>span.iconfont+span)*3
<div><span class="iconfont"></span><span></span></div>
<div><span class="iconfont"></span><span></span></div>
<div><span class="iconfont"></span><span></span></div>
ctrl+/ 一次注释，再次消除注释
// var app = {
// init:function(){
// this.bind()
// this.start()
// },
// bind:function(){
// },
// start:function(){
// }
// }
// app.init()
ctrl+] && ctrl+[ //代码行缩进
