代码不起作用
此代码对我不起作用.我只想在选中复选框时启用按钮.
请帮帮忙.
选择 | 换行 | 行号
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <title>Untitled Document</title>
- </head>
- <body>
- <input id="agree" type="checkbox" />I agree<br />
- <input type="button" id="continue" value="continue" disabled="disabled">
- <script type="text/javascript" src="js/jQuery.js"></script>
- <script>
- $(document).ready(function(){
- $('#agree').change(function(){
- state = $(this).attr('value');
- //alert(state);
- if(state == 'on')
- {
- $('#continue').removeAttr('disabled');
- }
- else if(state=='')
- {
- $('#continue').attr('disabled','disabled');
- }
- });
- });
- </script>
- </body>
- </html>