超级酷搜索引擎

稿源：互联网 2022-06-02 17:25:08 点击： 780 撤稿纠错

超酷的搜索引擎，可以在页面内随意拖动。

以下讨论的是和js 搜索引擎相关的超级酷搜索引擎教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<html>

<body>

<table border="0" width="100%" cellspacing="0" cellpadding="0" height="25">
<tr>
<td width="100%" align="center" height="12" bgcolor="#CCCCFF"><font color="#008080">"超级酷"搜索引擎</font></td>
</tr>
<tr>
<td width="100%" align="center" height="14"><FORM METHOD=POST ACTION="http://search.yeah.net:88/cgi-bin/search.cgi" NAME="SearchForm">
<p align="center">
<INPUT NAME="key" MAXLENGTH=800 SIZE=13 VALUE="">
<INPUT TYPE=submit class=p1 value=' 搜　索 '>  
</FORM>  
</td>  
</tr>  
</table>  
</div><script LANGUAGE="JavaScript">  
self.onError=null;  
currentX = currentY = 0;  
whichIt = null;  
lastScrollX = 0; lastScrollY = 0;  
NS = (document.layers) ? 1 : 0;  
IE = (document.all) ? 1: 0;  
  
function heartBeat() {  
if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }  
if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }  
if(diffY != lastScrollY) {  
percent = .1 * (diffY - lastScrollY);  
if(percent > 0) percent = Math.ceil(percent);  
else percent = Math.floor(percent);  
if(IE) document.all.floater.style.pixelTop += percent;  
if(NS) document.floater.top += percent;  
lastScrollY = lastScrollY + percent;  
}  
if(diffX != lastScrollX) {  
percent = .1 * (diffX - lastScrollX);  
if(percent > 0) percent = Math.ceil(percent);  
else percent = Math.floor(percent);  
if(IE) document.all.floater.style.pixelLeft += percent;  
if(NS) document.floater.left += percent;  
lastScrollX = lastScrollX + percent;  
}  
}  
  
  
function checkFocus(x,y) {  
stalkerx = document.floater.pageX;  
stalkery = document.floater.pageY;  
stalkerwidth = document.floater.clip.width;  
stalkerheight = document.floater.clip.height;  
if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;  
else return false;  
}  
function grabIt(e) {  
if(IE) {  
whichIt = event.srcElement;  
while (whichIt.id.indexOf("floater") == -1) {  
whichIt = whichIt.parentElement;  
if (whichIt == null) { return true; }  
}  
whichIt.style.pixelLeft = whichIt.offsetLeft;  
whichIt.style.pixelTop = whichIt.offsetTop;  
currentX = (event.clientX + document.body.scrollLeft);  
currentY = (event.clientY + document.body.scrollTop);  
} else {  
window.captureEvents(Event.MOUSEMOVE);  
if(checkFocus (e.pageX,e.pageY)) {  
whichIt = document.floater;  
StalkerTouchedX = e.pageX-document.floater.pageX;  
StalkerTouchedY = e.pageY-document.floater.pageY;  
}  
}  
return true;  
}  
function moveIt(e) {  
if (whichIt == null) { return false; }  
if(IE) {  
newX = (event.clientX + document.body.scrollLeft);  
newY = (event.clientY + document.body.scrollTop);  
distanceX = (newX - currentX); distanceY = (newY - currentY);  
currentX = newX; currentY = newY;  
whichIt.style.pixelLeft += distanceX;  
whichIt.style.pixelTop += distanceY;  
if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;  
if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;  
if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;  
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;  
event.returnValue = false;  
} else {  
whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);  
if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;  
if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;  
if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;  
if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;  
return false;  
}  
return false;  
}  
function dropIt() {  
whichIt = null;  
if(NS) window.releaseEvents (Event.MOUSEMOVE);  
return true;  
}  
  
if(NS) {  
window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);  
window.onmousedown = grabIt;  
window.onmousemove = moveIt;  
window.onmouseup = dropIt;  
}  
if(IE) {  
document.onmousedown = grabIt;  
document.onmousemove = moveIt;  
document.onmouseup = dropIt;  
}  
if(NS || IE) action = window.setInterval("heartBeat()",1);  
</script>  
</body>  
</html>

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