toggle用法是使得两个以上的方法交替出现。
<!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>toggles demo</title> <script src="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js" type="text/javascript"></script> <script> $(function () { $("#btn").toggle(function () { $(this).next().hide(); }, function () { $(this).next().show("slow"); } ); $("div").bind("mouseover mouseout", function () { $(this).toggleClass("over") }); }); </script> <style type="text/css"> .over { background-color:red; } </style> </head> <body> <div> <input id="btn" type="button" name="btn" title="click me" value="点击我" /> <button id="delAll">删除所有</button> </div> <div id="test">nihao </div> </body> </html>
原文：http://www.cnblogs.com/qixue/p/3525823.html