| <span id="ContentArea">要完成此效果把如下代码加入到<head>区域中 <script>
<!-- Beginning of Javascript Applet -------------------
function scrollit_r2l(seed)
{ var m1 = "欢迎来到学赛网。谢谢!" ;
var m2 = "" ;
var msg=m1+m2;
var out = " ";
var c = 1;
var speed = 120;
if (seed > 100)
{seed-=2;
var cmd="scrollit_r2l(" + seed + ")";
timerTwo=window.setTimeout(cmd,speed);}
else if (seed <= 100 && seed > 0)
{for (c=0 ; c < seed ; c++)
{out+=" ";}
out+=msg; seed-=2;
var cmd="scrollit_r2l(" + seed + ")";
window.status=out;
timerTwo=window.setTimeout(cmd,speed); }
else if (seed <= 0)
{if (-seed < msg.length)
{
out+=msg.substring(-seed,msg.length);
seed-=2;
var cmd="scrollit_r2l(" + seed + ")";
window.status=out;
timerTwo=window.setTimeout(cmd,speed);}
else {window.status=" ";
timerTwo=window.setTimeout("scrollit_r2l(100)",speed);
}
}
}
scrollit_r2l(100);
// -- End of Javascript code -->
</script></span> 育路网 |
