使用vue语法实现对列表项点击,列表文字变色。
<!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>
<script src="./js/vue.js"></script>
<style>
.active {
color: red;
}
</style>
</head>
<body>
<div id="app">
<ul>
<li @click="changeC(index)" v-for="(key, index) in movies" :class="activeIndex == index ? 'active':''">{{key}}</li>
</ul>
</div>
<script>
// 创建 Vue 实例,得到 ViewModel
var vm = new Vue({
el: '#app',
data: {
movies: ['海贼王', '名侦探柯南', '火影忍者', '七龙珠'],
active: 'active',
activeIndex: 0
},
methods: {
changeC: function(currntIndex) {
this.activeIndex = currntIndex
// 这里的currentIdnex不要this
}
}
});
</script>
</body>
</html>