将下面的代码保存为.html文件,然后打开此文件就可以看到效果了
<script language="JavaScript">
<!--
if (document.all){
amount=15;
Color='#ffaaff';
GlowColor='#ff00ff';
ypos=0;
xpos=0;
ybase=15;
xbase=-80;
step=0.07;
currStep=0;
TrigSplit=360/amount;
MY=0;
MX=0;
C=0;
c=0.05
for (i=0; i < amount; i++)
document.write('<div id="ieDiv" style="position:absolute;top:0px;left:0px;height:20;width:20;text-align:center"><B>.</B></div>');
function orbit(){
MY=document.body.scrollTop+document.body.clientHeight/2 + document.body.clientHeight/2.8*Math.cos((C)/3)*Math.cos(C/10);
MX=document.body.scrollLeft+20+document.body.clientWidth/2.2 + document.body.clientWidth/2.4*Math.sin((C)/5)*Math.sin(C/20);
ypos=MY;
xpos=MX;
for (i=0; i < amount; i++){
var d=ieDiv[i].style;
if (d.pixelTop > ypos+2){
{
d.fontSize=18;
d.paddingTop=7;
d.filter='glow(color='+GlowColor+', strength=7)';
}
if (d.pixelTop > ypos+10)
{
d.fontSize=15;
d.paddingTop=10;
d.filter='glow(color='+GlowColor+', strength=6)';
}
}
else
{
d.fontSize=25;
d.paddingTop=0;
d.color=Color;
d.filter='glow(color='+GlowColor+', strength=8)';
}
d.top=ypos+ybase*Math.sin(currStep+i*TrigSplit*Math.PI/180);
d.left=xpos+xbase*Math.cos(currStep+i*TrigSplit*Math.PI/180);
}
C+=c;
currStep+=step;
setTimeout('orbit()',20);
}
window.onload=orbit;
}
// -->
</script>