<html>
<head><script type="text/javascript" src="/jquery/jquery.js"></script><script type="text/javascript">$(document).ready(function(){ $("form").submit(function(e){ e.preventDefault(); alert("Submit prevented"); });});</script></head><body><form name="input" action="" method="get">First name: <input type="text" name="FirstName" value="Mickey" size="20"><br />Last name: <input type="text" name="LastName" value="Mouse" size="20"><br /><input type="submit" value="Submit"></form> </body></html>
function(e)
e.preventDefault();阻止当前事件