<!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> <title>简直的展开或关闭</title> <style type="text/css"> .hide{display:none;} .show{display:block;} .hand{cursor:pointer;} .text{padding:10px;background:F3FCFF;line-height:1.3em;border:solid 5px B2DCF9;margin-bottom:7px;} </style> </head> <body> <a href="javascript:;" onclick="showimg('/UploadFiles/2021-04-02/plus.gif');"><img src="/UploadFiles/2021-04-02/plus.gif" alt="js实例入门(简单展开或关闭)" onmousewheel="return bbimg(this)" onload="javascript:resizepic(this)" border="0"/></a>展开1 <a href="javascript:;" onclick="showimg('images/plus.gif');"><img src="images/plus.gif" alt="js实例入门(简单展开或关闭)" onmousewheel="return bbimg(this)" onload="javascript:resizepic(this)" border="0"/></a>展开2 </body> </html> [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]