JQuery removeClass 报错问题. - Web 开发 / Ajax
JS 代码如下
- JScript code
$(document).ready(function(){$("#submit").click(function(){ alert($("#userName").val() != ""); ${"#userName"}.removeClass("userClass"); }); })页面代码如下
- HTML code
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>欢迎登陆地球</title> <meta http-equiv="Content-Type" content="text/html; charset=gbk"> <link rel="stylesheet" href="css/login.css"/> <script type="text/javascript" src="js/jquery-1.4.2.js"></script> <script type="text/javascript" src="js/login.js"></script> </head> <body> <h1>dddddddddddddd地对地导弹</h1> <input type="text" id="userName" class="userClass"/> <input type="submit" id="submit"/> </body></html>
CSS代码如下:
- CSS code
#userName{border: 1px solid red;border-bottom-color: yellow;}为什么会报removeClass那一行错误啊?
[解决办法]
#userName{ border: 1px solid red; border-bottom-color: yellow; }
是
.userName{ border: 1px solid red; border-bottom-color: yellow; }