Posted in Javascript onNovember 14, 2013
<!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>无标题文档</title> <script type="text/javascript"> </script> <script type="text/javascript"> var x=400; function dianji(){ document.getElementById('yincang').style.height=x+'px'; x--; var time=setTimeout('dianji()',10); if(x==200){ clearTimeout(time); //document.body.bgColor='red'; document.getElementById('yincang').style.display='none'; document.getElementById('xianshi').style.display='block'; } } </script> <script type="text/javascript"> </script> <style type="text/css">{ display:block}</style> </head> <body onload="dianji()" > <div id="yincang" style=" background:#CCC; height:400px;"></div> <div id="xianshi" style="background:#0F0; height:200px; display:none;">fdafda</div> <div style="background:#666; height:2000px;"></div> </body> </html>
javascript 上下banner替换具体实现
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