<script type="text/javascript">//手機(jī)端判斷各個平臺瀏覽器及操作系統(tǒng)平臺function checkPlatform(){	if(/android/i.test(navigator.userAgent)){		document.write("This is Android'browser.");//這是Android平臺下瀏覽器	}	if(/(iPhoneiPadiPodiOS)/i.test(navigator.userAgent)){		document.write("This is iOS'browser.");//這是iOS平臺下瀏覽器	}	if(/Linux/i.test(navigator.userAgent)){		document.write("This is Linux'browser.");//這是Linux平臺下瀏覽器	}	if(/Linux/i.test(navigator.platform)){		document.write("This is Linux operating system.");//這是Linux操作系統(tǒng)平臺	}	if(/MicroMessenger/i.test(navigator.userAgent)){		document.write("This is MicroMessenger'browser.");//這是微信平臺下瀏覽器	}} $(document).ready(function(){  alert(navigator.platform);  checkPlatform(); });</script>

<script type="text/javascript">var browser = {	versions : function () {		var u = navigator.userAgent,		app = navigator.appVersion;		return {			trident : u.indexOf('Trident') > -1,			presto : u.indexOf('Presto') > -1,			webKit : u.indexOf('AppleWebKit') > -1,			gecko : u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1,			mobile : !!u.match(/AppleWebKit.*Mobile.*/) || !!u.match(/AppleWebKit/),			ios : !!u.match(//(i[^;]+;( U;)? CPU.+Mac OS X/),			android : u.indexOf('Android') > -1 || u.indexOf('Linux') > -1,			iPhone : u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1,			iPad : u.indexOf('iPad') > -1,			webApp : u.indexOf('Safari') == -1,			QQbrw : u.indexOf('MQQBrowser') > -1,			weiXin : u.indexOf('MicroMessenger') > -1,			ucLowEnd : u.indexOf('UCWEB7.') > -1,			ucSpecial : u.indexOf('rv:1.2.3.4') > -1,			ucweb : function () {				try {					return parseFloat(u.match(/ucweb/d+/./d+/gi).toString().match(//d+/./d+/).toString()) >= 8.2				} catch (e) {					if (u.indexOf('UC') > -1) {						return true;					} else {						return false;					}				}			}			(),			Symbian : u.indexOf('Symbian') > -1,			ucSB : u.indexOf('Firefox/1.') > -1		};	}	()}if (browser.versions.QQbrw){document.write("qq瀏覽器");}else{document.write("其它瀏覽器");}</script>