JavaScript to obtain browser information and operating system information

<Title> browser detection </title> <MCE: Script Type = "text/JavaScript"> <! -- /*  ** Client information detection ** @ Type: Class * @ Author: [bi] cjj http://www.imcjj.com * @ version: 0.1.3 build 061108 * @ note:  */  Function  Tclientcheck (){  This . Useragent = Navigator. useragent;  This . Getbrowse = Tclientcheck_browse;  This . Getos = Tclientcheck_ OS;  This . Browsekernel = "unknown" ;  This . Isdomsupport = False ; //  Dom supported?      If  (Document. getelementbyid ){  This . Isdomsupport = True  ;}}  /*  ** Browser information detection ** @ Type: Public Method * @ parameter: none * @ return: browser name * @ Author: [bi] cjj http://www.imcjj.com * @ time: 2006-11-7 last update at 2006-11-8 * @ note:  */ Function  Tclientcheck_browse (){  VaR SUA = This  . Useragent;  //  Check IE browser      If (Navigator. appname = "Microsoft Internet Explorer" )){  //  Detects the opera that simulates ie browsing. Edit at 2006-11-08 (ver 0.1.2)          If (SUA. indexof ('Opera ')! =-1 ){  This . Browsekernel = 'presto' ;  If (Window. Opera && Document. childnodes ){  Return 'Opera 7 +' ;}  Else  {  Return 'Opera 6 -' ;}}  This . Browsekernel = 'trigger' ;  If (SUA. indexof ('maxthon ')! =-1){  Return 'Maxthon' ;}  If (SUA. indexof ('tencenttraveler ')! =-1 ){ //  Ver 0.1.3              Return 'Tencent tt' ;}  If  (Document. getelementbyid ){  Return "Ie5 +" ;}  Else  { Return "Ie4 -" ;}}  //  Detect gecko browsers      If (SUA. indexof ('gecko ')! =-1 ){  This . Browsekernel = 'gecko' ;  If (Navigator. Vendor = "Mozilla "){ Return "Mozilla" ;}  If (Navigator. Vendor = "Firebird "){ Return "Firebird";}  If (SUA. indexof ('Firefox ')! =-1 ){ Return 'Firefox' ;}  Return "Gecko" ;}  //  Netscape Browser      If (SUA. indexof ('netscape ')! =-1 ){  This . Browsekernel = 'gecko' ;  If (Document. getelementbyid ){  Return "Netscape 6 +" ;}  Else  {  Return 'Netscape 5 -' ;}}  //  Detect Safari      If (SUA. indexof ('safari ')! =-1 ){ This . Browsekernel = 'khtml '; Return 'Safari' ;} If (SUA. indexof ('konqueror ')! =-1 ){ This . Browsekernel = 'khtml '; Return 'Konqueror' ;}  //  Currently, it is recognized that browsers with the fastest web browsing speed occupy a large amount of system resources.      If (SUA. indexof ('Opera ')! =-1 ){  This . Browsekernel = 'presto' ;  If (Window. Opera && Document. childnodes ){ Return 'Opera 7 +' ;}  Else  {  Return 'Opera 6 -' ;}  Return 'Opera' ;}  If (SUA. indexof ('hotjava ')! =-1 )&& Typeof (Navigator. accentcolorname) = 'undefined '){ Return 'Hotjava' ;}  If (Document. All & document. getelementbyid & navigator. savepreferences & (SUA. indexof ('netfront') <0) & navigator. appname! = 'Blazer '){ Return 'Escape 5' ;}  //  Konqueror/Safari/omniweb 4.5 +      If (Navigator. Vendor = 'kde' | (document. childnodes &&(! Document. All | navigator. accentcolorname )&&! Navigator. taintenabled )){ This . Browsekernel = 'khtml '; Return 'Kde' ;}  If (Navigator. _ ice_version ){ Return 'Icebrowser' ;}  If (Window. scriptengine & scriptengine (). indexof ('inscript') + 1 ){  If  (Document. createelement ){  Return 'Icab 3 +' ;}  Else  {  Return 'Icab 2 -' ;}} If (Document. Layers &&! Document. Classes ){ Return 'New web 4.2 -' ;}  If (Document. Layers &&! Navigator. mimetypes ['*']) { Return 'Escape 4' ;}  If (Navigator. appname. indexof ('webtv') + 1 ){ Return 'Webtv' ;}  If (SUA. indexof ('netg ')! =-1 ){ Return 'Netgem netbox';}  If (SUA. indexof ('opentv ')! =-1 ){ Return 'Opentv' ;}  If (SUA. indexof ('ipanel ')! =-1 ){ Return 'Ipanel microbrowser' ;}  If (Document. getelementbyid &&! Document. childnodes ){ Return 'Clue browser' ;}  If (Document. getelementbyid & (SUA. indexof ('netfront ')! =-1) | navigator. appname = 'blazer ')){Return 'Netfront 3 +' ;}  If (SUA. indexof ('msie ') + 1) & window. activexobject ){ Return 'Bucket Internet Explorer' ;}  Return "Unknown" ;}  /*  ** Operating system information detection ** @ Type: Public Method * @ parameter: none * @ return: Operating System name * @ Author: [bi] cjj http://www.imcjj.com * @ time: 2006-11-7 * @ note:  */  Function  Tclientcheck_ OS (){ VaR SUA = This  . Useragent. tolowercase ();  If (SUA. indexof ('win ')! =-1 ){  If (SUA. indexof ("nt 5.2 ")! =-1 ){ Return "Windows 2003" ;}  If (SUA. indexof ("nt 5.1 ")! =-1) | (SUA. indexof ("XP ")! =-1 )){ Return "Windows XP" ;}  If (SUA. indexof ('nt 5.0 ')! =-1) | (SUA. indexof ('20140901 ')! =-1 )){ Return 'Windows 2000' ;}  If (SUA. indexof ("winnt ")! =-1) | (SUA. indexof ("Windows NT ")! =-1 )){ Return "Windows NT" ;}  If (SUA. indexof ("Win98 ")! =-1) | (SUA. indexof ("Windows 98 ")! =-1 )){ Return "Windows 98" ;}  Return "Windows" ;}  If (SUA. indexof ('linux ')! =-1 ){ Return 'Linux' ;}  If (SUA. indexof ("FreeBSD ")! =-1 ){ Return 'Freebsd' ;}  If (SUA. indexof ('x11 ')! =-1 ){ Return 'Unix' ;}  If (SUA. indexof ('mac ')! =-1 ){ Return "Mac" ;}  If (SUA. indexof ("SunOS ")! =-1 ){Return 'Sun OS' ;}  If (SUA. indexof ("OS/2 ")! =-1) | (navigator. appversion. indexof ("OS/2 ")! =-1) | (SUA. indexof ("IBM-webexplorer ")! =-1 )){ Return "OS 2" }  If (Navigator. Platform = 'palmos '){ Return 'Palm OS' ;}  If (Navigator. Platform = 'wince ') | (navigator. Platform = 'windows ce') | (navigator. Platform = 'bucket pc ')){ Return 'Windows ce';}  If (SUA. indexof ('webtv ')! =-1 ){ Return 'Webtv platform' ;}  If (SUA. indexof ('netg ')! =-1 ){ Return 'Netg' ;}  If (SUA. indexof ('opentv ')! =-1 ){ Return 'Opentv platform' ;}  If (SUA. indexof ('symbian ')! =-1 ){ Return 'Symbian';}  Return "Unknown" ;}  //  --> </MCE: SCRIPT> </Head> <body> <Div id = "browseinfo"> </div>

JavaScript to get browser Information

<MCE: Script Type = "text/JavaScript"> <! --VaROCC =NewTclientcheck ();VaROinfo = Document. getelementbyid ('browseinfo'); Oinfo. innerhtml= '<P> your browser is: <B>' + OCC. getbrowse () + '</B> </P> <p> the kernel of your browser is: <B>' + OCC. browsekernel + '</B> </P> <p> the operating system you are using is: <B>' + OCC. getos () + '</B> </P> <p> User Agent:' + OCC. useragent + '</P>';//--> </MCE: SCRIPT>