<script type="text/javascript">
//手機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>