vue循环数组改变点击文字的颜色

时间:2020-05-17 换日线° 人气:0

本文实例为大家分享了vue循环数组改变点击文字颜色的具体代码，供大家参考，具体内容如下

效果图如下所示

<!DOCTYPE html>
<html>
 <head>
 <meta charset="utf-8">
 <title></title>
 <style type="text/css">
 *{
 list-style: none;
 margin: 0;
 padding: 0;
 }
 .red{
 color: red;
 }
 </style>
 </head>
 <body>
 <div id="app">
 <ul>
 <li v-for="(item,index) in username" @click="bution(index)" :class="index == colin?'red':''">{{index}}.{{item}}</li>
 </ul>
 </div>
 
 <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>
 <script type="text/javascript">
 const obj = {
 username:['张三','李四','王五','二麻子'],
 colin:-1,
 }
 const app = new Vue({
 el:'#app',
 data:obj,
 methods:{
 bution:function(e){
 this.colin = e
 }
 }
 })
 </script>
 </body>
</html>

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