js补充知识点-label应用
<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> </head> <body> <label for="demo">用户名:</label> <input id = "demo" type="text"> </body> </html>
结果显示:
说明:将用户名放入label标签中,并且label中for属性的值和input的id值一致,就能将label和input框绑定到一起,点击label,input也会聚焦