<!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 charset="utf-8"/> <title>jquery回车触发按钮事件</title> <script src="jquery-1.4.2.min.js" type="text/javascript"></script> <script language="javascript" type="text/javascript"> $(function () { $('#submit').click(function () { var account = $('#accountinput').val(); var password = $('#passwordinput').val(); if (account == '') { alert('please input account.'); $('#accountinput').focus(); return false; } if (password == '') { alert('please input password.'); $('#passwordinput').focus(); return false; } if (account == 'chad' && password == '123456') { alert('login success.'); } else { alert('login failed.'); } }); $(document).keydown(function (event) { if (event.keycode == 13) { $('#submit').triggerhandler('click'); } }); }); </script> </head> <body> <form id="form1" runat="server"> <p> <table> <tr> <td> account</td> <td><input id="accountinput" type="text" style="width: 150px;" /></td> </tr> <tr> <td>password</td> <td><input id="passwordinput" type="text" style="width: 150px;" /></td> </tr> <tr> <td><input id="submit" type="button" value="submit"/></td> </tr> </table> </p> </form> </body> </html>
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