點擊當前標簽給其添加class,兄弟標簽class刪除
然后獲取當前點擊元素的文字
演示地址: https://xibushijie.github.io/static/addClass.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue 點擊當前元素添加class 去掉兄弟的class</title>
<script src="../js/vue.js"></script>
</head>
<style type="text/css">
ul li {cursor: pointer;}
.blue {color: #2175bc;}
</style>
<body>
<div id="app">
<ul>
<li v-for="(todo, index) in todos" v-on:click="addClass(index,$event)" v-bind:class="{ blue:index==current}">
{{ todo.text }}
</li>
</ul>
</div>
<script>
new Vue({
el: '#app',
data: {
current:0,
todos: [
{ text: '選項一' },
{ text: '選項二' },
{ text: '選項三' }
]
},
methods:{
addClass:function(index,event){
this.current=index;
//獲取點擊對象
var el = event.currentTarget;
alert("當前對象的內容："+el.innerHTML);
}
}
})
</script>
</body>
</html>