<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Vue的生命周期</title> <script type="text/javascript" src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script> </head> <body> <h1>Vue的生命周期</h1> <hr> <div> {{count}} <p><button @click="add">Add</button></p> </div> <button οnclick="app.$destroy()">销毁</button> </body> </html> <script> var app = new Vue({ el:'#app', data:{ count:1 }, methods:{ add:function () { this.count++ } }, //有这么多钩子函数 一共十个 //初始化之后 beforeCreate:function(){ console.log('1-beforeCreate 初始化之后'); }, //创建完成 created:function(){ console.log('2-created 创建完成'); }, //挂载之前 beforeMount:function(){ console.log('3-beforeMount 挂载之前'); }, //被创建 mounted:function(){ console.log('4-mounted 被创建'); }, //数据更新前 beforeUpdate:function(){ console.log('5-beforeUpdate 数据更新前'); }, //被更新后 updated:function(){ console.log('6-updated 被更新后'); }, // activated:function(){ console.log('7-activated'); }, // deactivated:function(){ console.log('8-deactivated'); }, //销毁之前 beforeDestroy:function(){ console.log('9-beforeDestroy 销毁之前'); }, //销毁之后 destroyed:function(){ console.log('10-destroyed 销毁之后') } }) </script>
运行结果：
