Jquery一个slideToggle搞定div的隐藏与显示
<!DOCTYPE html> <html> <head> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("#flip").click(function(){ $("#panel").slideToggle("slow"); }); }); </script> <style type="text/css"> #panel,#flip { padding:5px; text-align:center; background-color:#e5eecc; border:solid 1px #c3c3c3; } #panel { padding:50px; display:none; } </style> </head> <body> <div id="flip">Click to slide the panel down or up</div> <div id="panel">Hello world!</div> </body> </html>
原文：http://www.runoob.com/jquery/jquery-ref-selectors.html