vue 点击当前元素添加class 去掉兄弟的class
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2022-04-04 17:52:50
点击当前标签给其添加class,兄弟标签class删除 演示地址: https://xibushijie.github.io/static/addClass.html ......
点击当前标签给其添加class,兄弟标签class删除
演示地址: https://xibushijie.github.io/static/addClass.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue 点击当前元素添加class 去掉兄弟的class</title>
<script src="../js/vue.js"></script>
</head>
<style type="text/css">
.blue {color: #2175bc;}
</style>
<body>
<div id="app">
<ul>
<li v-for="(todo, index) in todos" v-on:click="addClass(index)" v-bind:class="{ blue:index==current}">
{{ todo.text }}
</li>
</ul>
</div>
<script>
new Vue({
el: '#app',
data: {
current:0,
todos: [
{ text: '选项一' },
{ text: '选项二' },
{ text: '选项三' }
]
},
methods:{
addClass:function(index){
this.current=index;
}
}
})
</script>
</body>
</html>
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