vue v-model实现数据的双向绑定


<!DOCTYPE html>
<html>
 <meta charset="utf-8">
<head>
    <title></title>
</head>
<script src="./vue.js" type="text/javascript" charset="utf-8"></script>
<body>
<div >
    {{msg}}
    <!-- v-bind 只能实现数据的单项绑定-->
    <input type="" name="" :value='msg'>
    <!-- v-bind 只能实现数据的双向绑定只能用在表单元素中 input(radio text address email..) select checkbox textarea-->
    <input type="" name="" v-model='msg'>
</div>
<script type="text/javascript">
  var vm = new Vue({
       el:'#app',
       data:{       
           msg:'abcde'
       },
       methods:{

       }
   })
</script>
</body>
</html>

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