关于Vue双向数据绑定底层实现原理 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>双向数据绑定</title>
    <script type='text/javascript' src='./js/jquery.js'></script>
    <script type='text/javascript' src='./js/vue.js'></script>
</head>
<body>
    <section id='app'>
        <div>{{msg}}</div>
        <input type="text" v-bind:value="msg" v-on:input='handle($event)'>
        <input type="text" v-bind:value='msg' v-on:input='msg = $event.target.value'>
        <input type="text" v-model='msg'>
    </section>
</body>
<script>
    var vm = new Vue({
        el:'#app',
        data: {
            msg: '你好！'
        },
        methods: {
            handle: function(event){
                this.msg = event.target.value;
            }
        }
    })
</script>
</html>

 

posted @ 2020-08-29 08:05  wing1377  阅读(136)  评论(0)    收藏  举报