获取窗口位置:
var leftPos = (typeof window.screenLeft == "number") ? window.screenLeft : window.screenX
var topPos = (typeof window.screenTop == "number") ? window.screenTop: window.screenY
获得页面视口大小:
var pageWidth = window.innerWidth
var pageHeight = window.innerHeight
if(typeof pageWidth != "number") {
if (document.compatMod == "CSS1Compat") {
pageWidth = document.documentElement.clientWidth
pageHeight = document.documentElement.clientHeight
} else {
pageWidth = document.body.clientWidth
pageHeight = document.body.clientHeight
}
}