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Vue CSS模拟菜单点击变色
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<!DOCTYPE html>
<html lang="zh"><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">
<script src="./node_modules/vue/dist/vue.js" type="text/javascript" charset="utf-8"></script>
<script src="./node_modules/element-ui/lib/index.js"></script>
<link rel="stylesheet" href="./node_modules/element-ui/lib/theme-chalk/index.css">
<title></title>
<style>
.active {
color: red;
background-color: lightslategrey;
} ul,
li {
padding: 0;
margin: 0;
list-style: none;
line-height: 40px;
}
</style>
</head><body>
<div id="app">
<ul>
<li v-for="(item,index) in movies" :class="{active:selectIndex==index}" @click="liClick(index)">
{{item}}
</li>
</ul>
</div>
<script>
const vm = new Vue({
el: "#app",
data() {
return {
movies: ["决战中途岛", "误杀", "叶问4", "唐人街探案3", "终结者:黑暗命运"],
selectIndex: 0
}
},
methods: {
liClick(index) {
this.selectIndex = index
}
},
})
</script>
</body></html>
