vue组件实例的生命周期

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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <div id="demo"></div>
    <script src='https://cdn.bootcss.com/vue/2.3.2/vue.js'></script>
    <script>
        var vm = new Vue({
            el: '#demo',
            beforeCreate: function () {
                console.log("开始初始化时同步调用,此时数据观察,事件都没有初始化");
            },
            created: function () {
                console.log('已经完成实例的创建');
            },
            beforeMount: function () {
                console.log("在模版编译之前执行");
            },
            mounted: function () {
                console.log("模版编译完成");
            },
            beforeUpdate: function () {
                console.log("更新数据前");
            },
            updated: function () {
                console.log('如果你要更新数据,那么每次更新数据之后就会调用');
            },
            beforeDestroy: function () {
                console.log("开始销毁实例时调用,此用的实例依然有用");
            },
            destroyed: function () {
                console.log("实例已销毁");
            },
            activated: function () {
                console.log("动态组件初始化渲染过程中调用,需要keep-live配合使用");
            },
            deactivated: function () {
                console.log("动态组件移出过程中调用,需要keep-live配合使用");
            }
        });
    </script>
</body>

</html>
vue组件实例的生命周期

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