<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-if、v-else、v-show</title>
<script src="../js/vue.js"></script>
<!--copy from http://vuejs.org.cn/guide/-->
</head>
<body>
<div id="app">
<p v-if="willShow">显示</p>
<p v-else>隐藏</p>
<button @click="fn()">改变</button>
</div>
<script>
var vm=new Vue({ ???????????el:"#app", ???????????data:{ ???????????????willShow:true ???????????}, ???????????methods:{ ???????????????fn:function(){ ???????????????????if(this.willShow==true){ ???????????????????????this.willShow=false; ???????????????????}else{ ???????????????????????this.willShow=true ???????????????????} ???????????????} ???????????} ???????}); ???</script>
</body>
</html>
Vuejs methods how to use
原文地址：https://www.cnblogs.com/JamyWong/p/10024756.html