key解决input被复用的问题
Vue2 •
•
271次阅读
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<!-- key解决input被复用的问题 -->
<div id="app">
<span v-if="isUser">
<label for="username">用户账号</label>
<input type="text" id="username" placeholder="请输入用户账号" key="username">
</span>
<span v-else>
<label for="email">用户邮箱</label>
<input type="text" id="email" placeholder="请输入邮箱" key="email">
</span>
<button @click="isUser = !isUser">切换类型</button>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
const app = new Vue({
el:'#app',
data:{
isUser:true
}
})
</script>
</body>
</html>
日子过着过着就有了答案，努力走着走着就有了温柔的着落。
