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最新推荐文章于 2024-11-20 16:54:55 发布

转载最新推荐文章于 2024-11-20 16:54:55 发布 · 79 阅读

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/fengxiaoxiao/archive/2006/12/30/608105.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML><HEAD><TITLE>JAVASCRIPT对象及属性</TITLE>
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<META http-equiv=Content-Type content="text/html; charset=gb2312">
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<STYLE>

P {

}{
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FONT: menu; LINE-HEIGHT: 150%
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}
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</STYLE>
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<META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD>
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<BODY text=#000000 bgColor=#ffffff>
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<TABLE width="100%" height="846" border=0 cellPadding=1 cellSpacing=4>
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<TBODY>
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<TR>
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<TD vAlign=top width=155 bgColor=#eeeeee>
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<DIV id=floater
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style="Z-INDEX: 1; LEFT: 1%; WIDTH: 153px; POSITION: absolute; TOP: 10px; HEIGHT: 31px; background-color: #FF0000; layer-background-color: #FF0000; border: 1px none #000000;"> 内容
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<DIV id=floater1
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style="Z-INDEX: 1; LEFT: 500%; WIDTH: 153px; POSITION: absolute; TOP: 0px; HEIGHT: 31px; background-color: #FF0000; layer-background-color: #FF0000; border: 1px none #000000;"> 内容 </DIV> </DIV>
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self.onError=null;
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currentX = currentY = 0;
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whichIt = null;
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lastScrollX = 0; lastScrollY = 0;
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NS = (document.layers) ? 1 : 0;
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IE = (document.all) ? 1: 0;
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function heartBeat()

{
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if(IE)

{ diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
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if(NS)

{ diffY = self.pageYOffset; diffX = self.pageXOffset; }
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if(diffY != lastScrollY)

{
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percent = .1 * (diffY - lastScrollY);
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if(percent > 0) percent = Math.ceil(percent);
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else percent = Math.floor(percent);
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if(IE) document.all.floater.style.pixelTop += percent;
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if(NS) document.floater.top += percent;
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lastScrollY = lastScrollY + percent;
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}
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if(diffX != lastScrollX)

{
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percent = .1 * (diffX - lastScrollX);
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if(percent > 0) percent = Math.ceil(percent);
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else percent = Math.floor(percent);
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if(IE) document.all.floater.style.pixelLeft += percent;
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if(NS) document.floater.left += percent;
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lastScrollX = lastScrollX + percent;
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}
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}
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function checkFocus(x,y)

{
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stalkerx = document.floater.pageX;
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stalkery = document.floater.pageY;
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stalkerwidth = document.floater.clip.width;
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stalkerheight = document.floater.clip.height;
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if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
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else return false;
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}
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function grabIt(e)

{
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if(IE)

{
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whichIt = event.srcElement;
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while (whichIt.id.indexOf("floater") == -1)

{
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whichIt = whichIt.parentElement;
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if (whichIt == null)

{ return true; }
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}
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whichIt.style.pixelLeft = whichIt.offsetLeft;
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whichIt.style.pixelTop = whichIt.offsetTop;
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currentX = (event.clientX + document.body.scrollLeft);
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currentY = (event.clientY + document.body.scrollTop);
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} else

{
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window.captureEvents(Event.MOUSEMOVE);
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if(checkFocus (e.pageX,e.pageY))

{
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whichIt = document.floater;
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StalkerTouchedX = e.pageX-document.floater.pageX;
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StalkerTouchedY = e.pageY-document.floater.pageY;
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}
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}
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return true;
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}
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function moveIt(e)

{
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if (whichIt == null)

{ return false; }
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if(IE)

{
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newX = (event.clientX + document.body.scrollLeft);
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newY = (event.clientY + document.body.scrollTop);
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distanceX = (newX - currentX); distanceY = (newY - currentY);
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currentX = newX; currentY = newY;
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whichIt.style.pixelLeft += distanceX;
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whichIt.style.pixelTop += distanceY;
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if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
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if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
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if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
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if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
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event.returnValue = false;
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} else

{
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whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
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if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
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if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
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if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
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if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
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return false;
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}
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return false;
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}
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function dropIt()

{
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whichIt = null;
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if(NS) window.releaseEvents (Event.MOUSEMOVE);
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return true;
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}
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if(NS)

{
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window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
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window.onmousedown = grabIt;
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window.onmousemove = moveIt;
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window.onmouseup = dropIt;
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}
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if(IE)

{
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document.onmousedown = grabIt;
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document.onmousemove = moveIt;
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document.onmouseup = dropIt;
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}
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if(NS || IE) action = window.setInterval("heartBeat()",1);
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</SCRIPT>
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</TD>
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<TD><FONT face="Geneva, Arial, Helvetica, san-serif" size=3><B><FONT
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color=#990000 size=7></P></TD></TR></TBODY></TABLE></BODY></HTML>
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转载于:https://www.cnblogs.com/fengxiaoxiao/archive/2006/12/30/608105.html