📄 12.html

📁 javescript网页特效80个例子
💻 HTML
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<html>
<head>
<title>围绕鼠标中心旋转的彩带</title>
</head>
<body>
<script language="JavaScript">
if (document.all){
with (document){
write('<div id="starsDiv" style="position:absolute;top:0px;left:0px">')
 /* 以下设置彩带中各点的大小以及颜色*/
write('<div style="position:relative;width:2px;height:2px;background:red;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:yellow;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:green;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:blue;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:black;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:purple;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:2px;height:2px;background:olive;font-size:1px;visibility:visible"></div>')
write('<div style="position:relative;width:3px;height:3px;background:navy;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:3px;height:3px;background:teal;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:3px;height:3px;background:fuchsia;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:4px;height:5px;background:maroon;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:4px;height:5px;background:gray;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:5px;height:5px;background:aqua;font-size:2px;visibility:visible"></div>')
write('<div style="position:relative;width:6px;height:6px;background:lime;font-size:3px;visibility:visible"></div>')
write('</div>')
}
}

if (document.layers)
{window.captureEvents(Event.MOUSEMOVE);}
var yBase = 200;
var xBase = 200;
var step = 1;
var currStep = 0;
var Xpos = 1;
var Ypos = 1;

if (document.all)
{
  function MoveHandler(){
  Xpos = document.body.scrollLeft+event.x;
  Ypos = document.body.scrollTop+event.y;
  }
  document.onmousemove = MoveHandler;
}

else if (document.layers)
{
  function xMoveHandler(evnt){
  Xpos = evnt.pageX;
  Ypos = evnt.pageY;
  }
  window.onMouseMove = xMoveHandler;
}

function animateLogo() {
if (document.all)
{
 yBase = window.document.body.offsetHeight/6;
 xBase = window.document.body.offsetWidth/6;
}
else if (document.layers)
{
 yBase = window.innerHeight/8;
 xBase = window.innerWidth/8;
}

if (document.all)
{
 for ( i = 0 ; i < starsDiv.all.length ; i++ )
 {
  starsDiv.all[i].style.top = Ypos + yBase*Math.sin((currStep + i*4)/12)*Math.cos(400+currStep/200);
 starsDiv.all[i].style.left = Xpos + xBase*Math.sin((currStep + i*3)/10)*Math.sin(currStep/200);
 }
}

else if (document.layers)
{
 for ( j = 0 ; j < 14 ; j++ ) //number of NS layers!
 {
  var templayer="a"+j
  document.layers[templayer].top = Ypos + yBase*Math.sin((currStep + j*4)/12)*Math.cos(400+currStep/200);
  document.layers[templayer].left = Xpos + xBase*Math.sin((currStep + j*3)/10)*Math.sin(currStep/200);
 }
}
currStep+= step;
setTimeout("animateLogo()", 5); //设置旋转的速度
}
animateLogo();
</script>
</body>
</html>
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