03-按键修饰符

<!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">
        <div>{{msg}}</div>
        <div>
            用户名:
            <input type="text" v-on:keyup.delete='clearContent' v-model='username'>
        </div>
        <div>
            密码:
            <input type="text" v-on:keyup.enter='handleSubmit' v-model='password'>
        </div>
        <div>
            <input type="button" v-on:click='handleSubmit' value="提交">
        </div>

    </div>
    <script type="text/javascript" src="js/vue.js"></script>
    <script type="text/javascript">

    var vm = new Vue({
        el: '#app',
        data: {
            msg: 'best',
            username:'',
            password:'',
        },
        methods: {
            clearContent:function(){
                //按delete键的时候,清空用户名
                this.username = '';
               
            },
            handleSubmit: function(){
                // console.log(666)
                console.log(this.username,this.password)
            }
        }
    })

    </script>

    
</body>
</html>
原文地址:https://www.cnblogs.com/jiaoliuxuexi/p/15084505.html