<script> //得到页面高度 var yScroll = (document.documentElement.scrollHeight >document.documentElement.clientHeight) ? document.documentElement.scrollHeight : document.documentElement.clientHeight; alert(yScroll) //得到页面宽度 var xScroll=(document.documentElement.scrollWidth>document.documentElement.clientWidth) ? document.documentElement.scrollWidth : document.documentElement.scrollWidth; alert(xScroll) </script> //获取鼠标点击位置,兼容ie、firefox <body onclick="clicksEvent(event)"> function pointerX(event) { event = window.event || event; return event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)); } function pointerY(event) { event = window.event || event; return event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)); } //平台、设备和操作系统 var system = { win: false, mac: false, xll: false }; //检测平台 var p = navigator.platform; system.win = p.indexOf("Win") == 0; system.mac = p.indexOf("Mac") == 0; system.x11 = (p == "X11") || (p.indexOf("Linux") == 0); if (system.win || system.mac || system.xll) { //平台、设备和操作系统 } else { //手机 }