准确获得页面、窗口高度及宽度的JS
准确获得页面、窗口高度及宽度的JS
发布时间:2016-12-30 来源:查字典编辑
摘要:functiongetPageSize(){varxScroll,yScroll;if(window.innerHeight&&window...

functiongetPageSize(){

varxScroll,yScroll;

if(window.innerHeight&&window.scrollMaxY){

xScroll=document.body.scrollWidth;

yScroll=window.innerHeight+window.scrollMaxY;

}elseif(document.body.scrollHeight>document.body.offsetHeight){//allbutExplorerMac

xScroll=document.body.scrollWidth;

yScroll=document.body.scrollHeight;

}else{//ExplorerMac...wouldalsoworkinExplorer6Strict,MozillaandSafari

xScroll=document.body.offsetWidth;

yScroll=document.body.offsetHeight;

}

varwindowWidth,windowHeight;

if(self.innerHeight){//allexceptExplorer

windowWidth=self.innerWidth;

windowHeight=self.innerHeight;

}elseif(document.documentElement&&document.documentElement.clientHeight){//Explorer6StrictMode

windowWidth=document.documentElement.clientWidth;

windowHeight=document.documentElement.clientHeight;

}elseif(document.body){//otherExplorers

windowWidth=document.body.clientWidth;

windowHeight=document.body.clientHeight;

}

//forsmallpageswithtotalheightlessthenheightoftheviewport

if(yScroll<windowHeight){

pageHeight=windowHeight;

}else{

pageHeight=yScroll;

}

//forsmallpageswithtotalwidthlessthenwidthoftheviewport

if(xScroll<windowWidth){

pageWidth=windowWidth;

}else{

pageWidth=xScroll;

}

arrayPageSize=newArray(pageWidth,pageHeight,windowWidth,windowHeight)

returnarrayPageSize;

}

有幸找到了你的这个东东,帮我解决了问题,不过仔细看了下,好象大大的有点问题,参数值和名称上看好象有点对不上号哦.

//forsmallpageswithtotalheightlessthenheightoftheviewport

if(yScroll<windowHeight){

pageHeight=yScroll;

}else{

pageHeight=windowHeight;

}

//forsmallpageswithtotalwidthlessthenwidthoftheviewport

if(xScroll<windowWidth){

pageWidth=xScroll;

}else{

pageWidth=windowWidth;

}

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