JavaScript判断浏览器及其版本信息

function getBrowserInfo(){ var Info = {}; var str = window.navigator.userAgent.toLowerCase(); var bReg =/(msie|firefox|chrome|opera|version).*?([/d.]+)/; var infoArr = str.match(bReg); Info.browser = infoArr[1].replace(/version/, "safari"); Info.ver = infoArr[2]; return Info;}var BomInfo = getBrowserInfo();document.write(BomInfo.browser);document.write("</br>");document.write(BomInfo.ver);