vue实现点击某个标签元素,该标签元素显示红色
案例代码:
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Title</title>
- <style>
- .active {
- color: red;
- }
- </style>
- </head>
- <body>
-
- <div id="app">
- <ul>
- <li v-for="(item, index) in movies"
- :class="{active: currentIndex == index}"
- @click="liClick(index)">
- {{index}}.{{item}}
- </li>
- </ul>
- </div>
-
- <script src="../js/vue.js"></script>
- <script>
- const app = new Vue({
- el: '#app',
- data: {
- movies: ['海王', '海贼王', '加勒比海盗', '海尔兄弟'],
- currentIndex: 0
- },
- methods: {
- liClick(index) {
- this.currentIndex = index
- }
- }
- })
- </script>
- </body>
- </html>
-