求高人指导,jquery控制控件的禁用和启用状态
<script type= "text/javascript ">
function updae(onde) {
$( "#btnSubmit ").attr( "disabled ", "false ");
}
</script>
<input id= "e_name " onblur= "return updae(this); " runat= "server " onkeyup= "return updae(this); "/>
<asp:Button ID= "btnSubmit " runat= "server " Text= " " CssClass= "btnSubmit " Enabled= "false " onclick= "btnSubmit_Click " />
我想在光标离开文本框和键盘事件里把Button设为启用,jq应该怎么写呢?
[解决办法]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.2.min.js"></script><script type="text/javascript">$(document).ready( function() { $("#e_name").bind({ 'click': function() { $("#btnSubmit").removeAttr("disabled"); }, 'keyup': function() { $("#btnSubmit").removeAttr("disabled"); } });});</script></head><body><input id= "e_name" type="text" /><button id="btnSubmit" disabled="disabled">BUTTON</button> </body></html>
[解决办法]
<!DOCTYPE HTML><html> <head> <meta charset="gb2312" /> <title></title> </head> <body> 失焦时禁用,按 ctrl + q 启用 <input id="test" /> <script> function $(el){ return typeof el == 'string' ? document.getElementById(el) : el; } var obj = $('test'); obj.onblur = function(){ this.disabled = true; } document.onkeydown = function(e){ e = window.event || e; if( e.ctrlKey && e.keyCode == 81 ){ obj.disabled = false; obj.focus(); } } </script> </body></html>