代码
提交代码
<!DOCTYPE html>
<html lang="en">
<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">
<title>Document</title>
<style>
.fade-enter-active, .fade-leave-active {
transition: opacity 3s
}
.fade-enter, .fade-leave-to {
opacity: 0
}
</style>
</head>
<body>
<div id = "app">
<button v-on:click = "show = !show">{{ show ? '隐藏' : '显示'}}</button>
<transition name="fade">
<p v-show = "show" >hello !</p>
</transition>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script type = "text/javascript">
var vm = new Vue({
el: '#app',
data: {
show:true
},
methods : {
}
});
</script>
</html>
运行结果