<!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>
  <style>
    #div1{
      width: 200px;
      height: 200px;
      background: red;
    }
    #div2{
      width: 100px;
      height: 100px;
      background: yellow;
    }
  </style>
</head>

<body>
  <div id="app">
    {{msg}} <br>
    <!-- @    v-on:click = 'con' -->
    <button @click="con">点击</button>

    <div id="div1" @click="fn1">
      <div id="div2" @click="fn2"></div>
    </div>


    <input type="text" @keyup="key">
    <input type="text" @keyup.enter="keyOne">
  </div>
  <script src="vue.js"></script>
  <script>
    var app = new Vue({
      el: '#app',
      data: {
        msg: 'hello word'
      },
      methods: {
        con(){
          alert(123)
        },
        fn1(){
          console.log('我是红色')
        },
        fn2(){
          console.log('我是黄色')
        },
        key(){
          console.log('111')
        },
        keyOne(){
          console.log('我是回车')
        }
      }
    })
  </script>
</body>

</html>