超级简单的tab点击

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <meta http-equiv="X-UA-Compatible" content="ie=edge">

  <title>Document</title>

  <div  id="app">

    <div class="button" v-for="(item, index) in list" :class="{ active: visible == index}" @click="clickToIndex(index)">

        {{ item.label }}

    </div>

  </div>

</head>

<body>

  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>

  <script>

    var app = new Vue({

      el: '#app',

      data: {

        list: [

          {

            label: '你'

          },

          {

            label: '我'

          },

          {

            label: '他'

          }

        ],

        visible: ''

      },

      methods: {

        clickToIndex (index) {

          this.visible = index

        }

      }

    })

  </script>

</body>

<style>

  .button{

    display: inline-block;

    margin-left: 2px;

    width: 2rem;

    height: 0.7rem;

    font-size: 12px;

    color: #7a82e8;

    line-height: 0.7rem;

    text-align: center;

    border-radius: 0.7rem;

    border: 1px solid #7a82e8;

    margin-top: 0.2rem;

    margin-right: 0.2rem;

  }

  .active {

    background-color: red

  }

</style>

</html>
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超级简单的tab点击

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