11 vue之v-model进阶

1 v-model 之 lazy、number、trim

lazy：等待input框的数据绑定时区焦点之后再变化，（懒加载）
number：数字开头，只保留数字，后面的字母不保留；字母开头，都保留
trim：去除首位的空格

2 lazy、number、trim

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>v-model 之 lazy、number、trim</title>
    <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.min.js"></script>
</head>
<body>
<div id="box">
    <input type="text" v-model="myText1" placeholder="normal"> {{myText1}}
    <br>
    <input type="text" v-model.lazy="myText2" placeholder="lazy"> {{myText2}}
    <br>
    <input type="text" v-model.number="myText3" placeholder="number"> {{myText3}}
    <br>
    <input type="text" v-model.trim="myText4" placeholder="trim"> {{myText4}}
</div>
</body>
<script>
    var vm = new Vue({
        el: '#box',
        data: {
            myText1: '',
            myText2: '',
            myText3: '',
            myText4: '',
        },
    })
</script>
</html>
 

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="./js/vue.js"></script>
</head>
<body>
<div class="app">
    <!--    <input type="text" v-model.lazy="name">-->
    <!--        <hr>-->
    <!--    {{name}}-->


    <!--    <input type="text" v-model.number="age"> 必须以数字开头-->

    <!--    <hr>-->
    <!--    {{age}}-->


    <input type="text" v-model.trim="name">

    <hr>
    {{name}}


</div>

</body>
<script>
    var vm = new Vue({
        el: '.app',
        data: {
            name: '',
            age: ''

        },

    })
</script>
</html>

 

posted @ 2022-02-11 21:00  甜甜de微笑  阅读(52)  评论(0)    收藏  举报