<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<h1>{{title}}</h1>
<button @click="title = 'changed'">Update title</button>
<button @click="destory">Destory</button>
</div>
<script>
new Vue({
el: '#app',
data: {
title: 'Vuejs instance'
},
methods: {
destory: function() {
this.$destory();
}
},
// 初始化的时候调用，调用顺序为：beforeCreate-> created-> beforeMount -> mounted
beforeCreate: function() {
console.log('before created called');
},
created: function() {
console.log('created called');
},
beforeMount: function() {
console.log('beforeMount called');
},
mounted: function() {
console.log('mounted called');
},
// beforeUpdate/updated data更新的时候调用，如果数据不更新，则不调用
beforeUpdate: function() {
console.log('beforUpdate called');
},
updated: function() {
console.log('updated called');
},
// destory调用以后，所有的data不再受vuejs控制，意思是destory以后所有的方法都不再有用，移除了所有的js逻辑
beforeDestory: function() {
console.log('befor destory called');
},
destoryed: function() {
console.log('destoryed called');
}
});
</script>
</body>
</html>