<div style='position:absolute' id=ad><embed wmode="transparent" src="./浮动.swf" width=300 height=220 border=0><p class=MsoNormal><span lang=EN-US>
<script>
var x = 50,y = 60
var xin = true, yin = true
var step = 1
var delay = 10
var obj=document.getElementById("ad")
function floatAD() {
var L=T=0
var R= document.body.clientWidth-obj.offsetWidth
var B = document.body.clientHeight-obj.offsetHeight
obj.style.left = x + document.body.scrollLeft
obj.style.top = y + document.body.scrollTop
x = x + step*(xin?1:-1)
if (x < L) { xin = true; x = L}
if (x > R){ xin = false; x = R}
y = y + step*(yin?1:-1)
if (y < T) { yin = true; y = T }
if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}
</script>上面代码使用后,cpu占用就到100%,是不是有死循环,请高手帮我解决啊,急用在线等啊!
<script>
var x = 50,y = 60
var xin = true, yin = true
var step = 1
var delay = 10
var obj=document.getElementById("ad")
function floatAD() {
var L=T=0
var R= document.body.clientWidth-obj.offsetWidth
var B = document.body.clientHeight-obj.offsetHeight
obj.style.left = x + document.body.scrollLeft
obj.style.top = y + document.body.scrollTop
x = x + step*(xin?1:-1)
if (x < L) { xin = true; x = L}
if (x > R){ xin = false; x = R}
y = y + step*(yin?1:-1)
if (y < T) { yin = true; y = T }
if (y > B) { yin = false; y = B }
}
var itl= setInterval("floatAD()", delay)
obj.onmouseover=function(){clearInterval(itl)}
obj.onmouseout=function(){itl=setInterval("floatAD()", delay)}
</script>上面代码使用后,cpu占用就到100%,是不是有死循环,请高手帮我解决啊,急用在线等啊!
<script LANGUAGE="JavaScript">
var xPos = 20;
var yPos = 10;
img.style.left= xPos;
img.style.top = yPos;
var step = 1;
var delay = 30;
var width,height,Hoffset,Woffset;
var y = 1;
var x = 1;
var interval;
img.visibility = "visible";function changePos()
{
width = document.body.clientWidth;
height = document.body.clientHeight;
Hoffset = img.offsetHeight;
Woffset = img.offsetWidth;
if (y)
{
yPos = yPos + step;
}
else
{
yPos = yPos - step;
}
if (yPos < 0)
{
y = 1;
yPos = 0;
}
if (yPos >= (height - Hoffset))
{
y = 0;
yPos = (height - Hoffset);
}
if (x)
{
xPos = xPos + step;
}
else
{
xPos = xPos - step;
}
if (xPos < 0)
{
x = 1;
xPos = 0;
}
if (xPos >= (width - Woffset))
{
x = 0;
xPos = (width - Woffset);
}
img.style.left = xPos + document.body.scrollLeft;
img.style.top = yPos + document.body.scrollTop;
}function start()
{
interval = setInterval('changePos()', delay);
}function pause_resume()
{
clearInterval(interval);
}
start();
</script>我也不知道差别,但是这段代码没事,有人做好的,干吗还自己编啊!呵呵!