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<!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