一、生命周期
<!DOCTYPE html>
<html><head><meta charset="utf-8"><title>Vue的学习</title><script src="vue.js" type="text/javascript" charset="utf-8"></script></head><body><div id="app">{{msg}}</div><script type="text/javascript">var vm = new Vue({el:"#app",data:{msg:"hi Vue!"},// 开始进行生命周期// 页面加载之前被调用beforeCreate:function(){alert('beforeCreate');},created:function(){alert('created');},beforeMount:function(){alert('beforeMount');},mounted:function(){alert('mounted');},// 只有更新数据后才会被调用beforeUpdate:function(){alert('beforeUpdate');},updated:function(){alert('updated');}});// vm.$data.msg = 'change';// setTimeout()函数setTimeout(function(){vm.$data.msg = 'change....';},3000)</script></body>
</html>这一节要花点时间整明白生命周期是个什么原理，可以多试试代码的效果，自己写一些，咱们接下来学习下一节！！！
