vue_点击列表项变色(结合v-for和v-bind来实现)

要求:
点击列表中的哪一项,那么该项文字变为红色(结合v-for和v-bind来实现)
预览:

源码:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>作业</title>
  <style>
    .active{
        color: red;
    }
  </style>
</head>
<body>
<div id="app">
  <ul>
    <li @click="btnClick(index)" :class="{active:currentIndex === index}" v-for="(item,index) in movies">{{item}}</li>
  </ul>
</div>
<script src="../js/vue.js"></script>
<script>
  const app = new Vue({
    el: '#app',
    data: {
      message: '你好啊',
      movies:['哆啦A梦I','哆啦A梦II','哆啦A梦III','哆啦A梦IV'],
      currentIndex:-1
    },
    methods:{
      btnClick(index){
        this.currentIndex = index
      }
    }
  })
</script>
</body>
</html>

posted @ 2021-10-07 17:19  博客zhu虎康  阅读(739)  评论(0编辑  收藏  举报