不显示动画效果，老师帮忙看一下。

来源：2-3 使用 transition 标签实现单元素组件的过渡和动画效果（2）

慕大仙er

2021-06-18 14:09:54

相关代码：

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>transition入场出场动画</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css"/>    
<script src="https://unpkg.com/vue@next"></script>
</head>
<body>
<div id="root"></div>
<script>
const app=Vue.createApp({
data(){
return{
show:false
}
},
methods:{
handleClick(){
this.show=!this.show;
}
},
template:`<div>
             <transition enter-active-class="animate__animated animate__tada" leave-active-class="animate__animated animate__tada">
                <div v-show="show">青春，不负韶华</div>
             </transition>
                <button @click="handleClick">切换动画</button>
                </div>`
});
const vm=app.mount('#root');
</script>
</body>
</html>