演示:
<!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>QQ闪动效果</title> </head> <body> <img id="imgid" style="visibility:visible" src="http://www.aspxhome.com/images/logo.gif" /> <script type="text/javascript"> function show(){ var imgid=document.getElementById("imgid"); if(imgid.style.visibility == "visible") imgid.style.visibility = "hidden"; else imgid.style.visibility = "visible"; setTimeout('show()',300); } show(); </script> </body> </html> [提示:你可先修改部分代码,再按运行]