js获得浏览器高度和宽度 参数
document.documentElement.clientHeight -->浏览器的高度
document.documentElement.scrollHeight 全文的高度
document.documentElement.scrollTop滚去的高度
<script>
function getInfo() { var s = ""; s += " 网页可见区域宽："+ document.body.clientWidth; s += " 网页可见区域高："+ document.body.clientHeight; s += " 网页可见区域宽："+ document.body.offsetWidth + " (包括边线和滚动条的宽)"; s += " 网页可见区域高："+ document.body.offsetHeight + " (包括边线的宽)"; s += " 网页正文全文宽："+ document.body.scrollWidth; s += " 网页正文全文高："+ document.body.scrollHeight; s += " 网页被卷去的高(ff)："+ document.body.scrollTop; s += " 网页被卷去的高(ie)："+ document.documentElement.scrollTop; s += " 网页被卷去的左："+ document.body.scrollLeft; s += " 网页正文部分上："+ window.screenTop; s += " 网页正文部分左："+ window.screenLeft; s += " 屏幕分辨率的高："+ window.screen.height; s += " 屏幕分辨率的宽："+ window.screen.width; s += " 屏幕可用工作区高度："+ window.screen.availHeight; s += " 屏幕可用工作区宽度："+ window.screen.availWidth; s += " 你的屏幕设置是 "+ window.screen.colorDepth +" 位彩色"; s += " 你的屏幕设置 "+ window.screen.deviceXDPI +" 像素/英寸"; //alert (s); } getInfo(); </script> 在IE、FireFox、Opera下都可以使用 document.body.clientWidth document.body.clientHeight 即可获得，很简单，很方便。 而在公司项目当中： Opera仍然使用 document.body.clientWidth document.body.clientHeight 可是IE和FireFox则使用 document.documentElement.clientWidth document.documentElement.clientHeight 原来是W3C的标准在作怪啊 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 如果在页面中添加这行标记的话
在IE中： document.body.clientWidth ==> BODY对象宽度 document.body.clientHeight ==> BODY对象高度 document.documentElement.clientWidth ==> 可见区域宽度 document.documentElement.clientHeight ==> 可见区域高度 在FireFox中： document.body.clientWidth ==> BODY对象宽度 document.body.clientHeight ==> BODY对象高度 document.documentElement.clientWidth ==> 可见区域宽度 document.documentElement.clientHeight ==> 可见区域高度 在Opera中： document.body.clientWidth ==> 可见区域宽度 document.body.clientHeight ==> 可见区域高度 document.documentElement.clientWidth ==> 页面对象宽度（即BODY对象宽度加上Margin宽） document.documentElement.clientHeight ==> 页面对象高度（即BODY对象高度加上Margin高） 而如果没有定义W3C的标准，则 IE为： document.documentElement.clientWidth ==> 0 document.documentElement.clientHeight ==> 0 FireFox为： document.documentElement.clientWidth ==> 页面对象宽度（即BODY对象宽度加上Margin宽）document.documentElement.clientHeight ==> 页面对象高度（即BODY对象高度加上Margin高） Opera为： document.documentElement.clientWidth ==> 页面对象宽度（即BODY对象宽度加上Margin宽）document.documentElement.clientHeight ==> 页面对象高度（即BODY对象高度加上Margin高）
//获取滚动条的高度 function getPageScroll(){ var yScroll; if (self.pageYOffset) {
yScroll = self.pageYOffset; alert(yScroll) } else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict yScroll = document.documentElement.scrollTop; alert(yScroll) } else if (document.body) {// all other Explorers yScroll = document.body.scrollTop; alert("zhoujian") //alert(yScroll) //alert("zj"+document.body.scrollTop) } arrayPageScroll = new Array('',yScroll) //alert(yScroll) return arrayPageScroll; } //获取页面实际大小 function getPageSize(){ var xScroll, yScroll; if (window.innerHeight && window.scrollMaxY) { xScroll = document.body.scrollWidth; yScroll = window.innerHeight + window.scrollMaxY; } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac xScroll = document.body.scrollWidth; yScroll = document.body.scrollHeight; } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari xScroll = document.body.offsetWidth; yScroll = document.body.offsetHeight; } var windowWidth, windowHeight; if (self.innerHeight) { // all except Explorer windowWidth = self.innerWidth; windowHeight = self.innerHeight; } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode windowWidth = document.documentElement.clientWidth; windowHeight = document.documentElement.clientHeight; } else if (document.body) { // other Explorers windowWidth = document.body.clientWidth; windowHeight = document.body.clientHeight; } // for small pages with total height less then height of the viewport if(yScroll < windowHeight){ pageHeight = windowHeight; } else { pageHeight = yScroll; } // for small pages with total width less then width of the viewport if(xScroll < windowWidth){ pageWidth = windowWidth; } else { pageWidth = xScroll; } arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) return arrayPageSize; }
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