<!DOCTYPE html>
<html lang="en" xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
<div id=app>
{{a}}
<br>
<button v-on:click="greet">change</button>
</div>
<script>
var myVue = new Vue({
el: "#app",
data: {
a: "hava data"
},
methods:{
greet:function(){
this.a="changed data"
}
},
beforeCreate: function() {
console.log("创建前")
console.log(this.a)
console.log(this.$el)
},
created: function() {
console.log("创建之后");
console.log(this.a+"........")
console.log(this.$el)
},
beforeMount: function() {
console.log("mount之前")
console.log(this.a+"........")
console.log(this.$el)
},
mounted: function() {
console.log("mount之后")
console.log(this.a+"........")
console.log(this.$el)
},
beforeUpdate: function() {
console.log("更新前");
console.log(this.a+"........")
console.log(this.$el)
},
updated: function() {
console.log("更新完成");
console.log(this.a+"........")
console.log(this.$el)
},
beforeDestroy: function() {
console.log("销毁前");
console.log(this.a)
console.log(this.$el)
console.log(this.$el)
},
destroyed: function() {
console.log("已销毁");
console.log(this.a)
console.log(this.$el)
}
});
</script>
</body>
</html>