有什么问题请到<a href='http://bbs.7dspace.com/index.asp?boardid=2'>论坛</a>中发表<br> <!-- http://www.7dspace.com/ --> <!-- http://bbs.7dspace.com/ --> <!--要完成此效果需要两个步骤 第一步：把如下代码加入到<head>区域中--> <SCRIPT language="JavaScript"> <!-- function scrollit(seed) { var m1 = "HI：你 好! "; var m2 = "欢 迎 访 问 网 页 教 学 网"; var m3 = "请 多 提 意 见，谢 谢! "; var msg=m1+m2+m3; var out = " "; var c = 1; if (seed > 100) { seed--; cmd="scrollit("+seed+")"; timerTwo=window.setTimeout(cmd,100); } else if (seed <= 100 && seed > 0) { for (c=0 ; c < seed ; c++) { out+=" "; } out+=msg; seed--; window.status=out; cmd="scrollit("+seed+")"; timerTwo=window.setTimeout(cmd,100); } else if (seed <= 0) { if (-seed < msg.length) { out+=msg.substring(-seed,msg.length); seed--; window.status=out; cmd="scrollit("+seed+")"; timerTwo=window.setTimeout(cmd,100); } else { window.status=" "; timerTwo=window.setTimeout("scrollit(100)",75); } } } //--> </SCRIPT> <!--第二步：把“onLoad="scrollit(100)"”加在<body>标记里--> <body onLoad="scrollit(100)">
