出于某种原因,我的VSCode用红色突出显示了transition元素,这意味着它不能识别这个元素。我真的不知道这是怎么回事。代码也不能工作,因为点击按钮根本就没有转换,甚至没有任何更改。谢谢你的帮助!
<!--Vuejs CDN--> <script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script> <title>Hello, world!</title> </head> <body> <div id='app'> <button v-on:click='showThis = !showThis'>Swap</button> <transition name='fade'> <p v-if='showThis'>Then showThis is true!</p> </transition> </div> <!-- Vuejs --> <script> new Vue({ el:'#app', data:{ showThis:true } }) </script> <style> .fade-enter-active, .fade-leave-active { transition: opacity .5s; } .fade-enter, .fade-leave-to { opacity: 0; } </style> <!-- Optional JavaScript --> <!-- jQuery first, then Popper.js, then Bootstrap JS --> <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin=“匿名”>
<!--Vuejs CDN--> <script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script> <title>Hello, world!</title> </head> <body> <div id='app'> <button v-on:click='showThis = !showThis'>Swap</button> <transition name='fade'> <p v-if='showThis'>Then showThis is true!</p> </transition> </div> <!-- Vuejs --> <script> new Vue({ el:'#app', data:{ showThis:true } }) </script> <style> .fade-enter-active, .fade-leave-active { transition: opacity .5s; } .fade-enter, .fade-leave-to { opacity: 0; } </style> <!-- Optional JavaScript --> <!-- jQuery first, then Popper.js, then Bootstrap JS --> <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
crossorigin=“匿名”>
只需在用户设置中添加以下行进行检查。文件->首选项->设置->用户设置
“editor.formatOnSave”:真, “eslint.validate”:[ “javascript”, “呜呜”
我相信这是你的标签,只是一个结束标签。尝试创建 <head></head>
<head></head>