vue生命周期 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="/node_modules/vue/dist/vue.js"></script>
    <title>Document</title>
</head>
<body>
    <div id="vueapp">
        {{msg}}
    </div>
    <script>
        vm=new Vue({
            el:"#vueapp",
            data:{
                msg:"0"
            },
            methods: {
                
            },
            beforeCreate() {
                console.log("初始化之后，数据监听之前",this.msg);
            },
            created() {
                var that=this;
                console.log("初始化之后，数据监听之后，dom元素产生之前",this.msg,that.$el);
            },
            beforeMount() {
                var that=this;
                console.log("初始化之后，数据监听之后，dom元素产生之后,数据未被渲染",that.$el);
            },
            mounted() {
                var that=this;
                console.log("初始化之后，数据监听之后，dom元素产生之后,数据以被渲染",that.$el);
            },
        });
    </script>
</body>
</html>

 

posted @ 2020-07-26 16:10  CR7Ronaldo  Views(163)  Comments(0)    收藏  举报