## Vue 2.0的生命周期函数
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="vue2.5.16.js"></script>
</head>
<body>
<!--这个div区域就是MVVM中的 View-->
<div id="app">
</div>
</body>
<script>
new Vue({
el: '#app',
data: {
msg: 'hello vuejs'
},
beforeCreate: function () {
console.log('1.0 beforeCreate', this.msg);
}
,
created: function () {
console.log('2.0 created', this.msg);
}
,
beforeMount: function () {
console.log('3.0 beforeMount', this.msg);
}
,
mounted: function () {
console.log('4.0 mounted', this.msg);
}
});
</script>
</html>
```
打印结果：
