按鈕切換class－Bug倉庫 // 程式日記

Sep 13 Wed 2017 11:15
按鈕切換class

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script src="http://cdnjs.cloudflare.com/ajax/libs/vue/1.0.26/vue.min.js"></script>
	<style type="text/css">
		.loggedin{
			background-color: blue;
			color: green;
		}
	</style>
</head>
<body>
	<div id="app">
		<h2 :class='{"loggedin":login}'>標題</h2>
		<button @click='toggleView'>登入或登出</button>
		<div v-if="login">你登入囉</div>
		<div v-if='!login'>你登出囉</div>
	</div>
	<script type="text/javascript">
		var vm = new Vue({
			el: "#app",
			data:{
				login:false,
			},
			methods:{
				toggleView:function(value){
					this.login ^= true;
				}
			}
		})
	</script>
</body>
</html>