lovecoding
/
class


			
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							<!DOCTYPE html>
<html lang="en">

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

<body>
  <div id="app">
    {{count}}
    <button @click="add()">+1</button>
    <button @click="des()">销毁</button>
  </div>
  <script src="vue.js"></script>
  <script>
    var app = new Vue({
      el: '#app',
      data: {
        count: 1,
        mount: setInterval(() => {
          console.log(1)
        }, 1000)
        
      },
      methods: {
        add(){
          this.count++
        },
        des(){
          clearInterval(this.mount)
          this.$destroy()
        }
      },
      //组件实例刚刚创建之前  属性计算之前
      beforeCreate(){
        console.log('beforeCreate',this.$data,this.$el)
      },
      //组件实例刚刚创建完成  属性绑定  dom没有生成   el不存在
      created(){
        console.log('created',this.$data,this.$el)
      },
      //挂载前
      beforeMount(){
        console.log('beforeMount',this.$data,this.$el)
      },
      //挂载后
      mounted(){
        console.log('mounted',this.$data,this.$el)
      },
      beforeUpdate(){
        console.log('beforeUpdate',this.$data,this.$el)
      },
      updated(){
        console.log('updated',this.$data,this.$el)
      },
      beforeDestroy(){
        console.log('beforeDestroy',this.$data,this.$el)
      },
      destroyed(){
        console.log('destroyed',this.$data,this.$el)
      }


    })
  </script>
</body>

</html>