Detects the browser, its version and the operating system of the client

 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>

  <HEAD>
    <TITLE>JsLib 1.3 - Exemple - navig.js</TITLE>
    <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
    <META NAME="Author" CONTENT="Etienne CHEVILLARD">
    <!-- navig.js -->
    <SCRIPT TYPE="text/javascript" LANGUAGE="Javascript">
/* navig.js
 * Role : detecte le navigateur et le systeme d'exploitation du client
 * Projet : JsLib
 * Auteur : Etienne CHEVILLARD (echevillard@users.sourceforge.net)
 * Version : 1.3
 * Creation : 05/04/2001
 * Mise a jour : 23/02/2005
 * Bogues connues : - impossible de connaitre le systeme avec Sun HotJava
 *
 * Detection du navigateur et de l'OS basee sur :
 * JavaScript Browser Sniffer
 * Eric Krok, Andy King, Michel Plungjan Jan. 31, 2002
 * see http://www.webreference.com/ for more information
 */

// --- Variables globales ---

// recupere les informations sur le navigateur
var navig_agt=navigator.userAgent.toLowerCase();
var navig_min=navig_extVer(navigator.appVersion);
var navig_maj=parseInt(navig_min);

// detecte le navigateur installe
var navig_mos=(navig_agt.indexOf("ncsa")!=-1);
var navig_omn=(navig_agt.indexOf("omniweb")!=-1);
var navig_saf=((navig_agt.indexOf("safari")!=-1) && (navig_agt.indexOf("mac")!=-1));
var navig_kqr=(navig_agt.indexOf("konqueror")!=-1);
var navig_fox=(navig_agt.indexOf("firefox")!=-1);
var navig_moz=(!navig_saf && (navig_agt.indexOf("mozilla")!=-1)
  && (navig_agt.indexOf("gecko")!=-1) && (navig_agt.indexOf("netscape")==-1));
var navig_nn=(!navig_moz && (navig_agt.indexOf("mozilla")!=-1)
  && (navig_agt.indexOf("spoofer")==-1) && (navig_agt.indexOf("compatible")==-1)
  && (navig_agt.indexOf("opera")==-1) && (navig_agt.indexOf("webtv")==-1)
  && (navig_agt.indexOf("hotjava")==-1));
var navig_nn2=(navig_nn && (navig_maj<3));
var navig_nn3=(navig_nn && (navig_maj==3));
var navig_nn4=(navig_nn && (navig_maj==4));
var navig_nn6=(navig_nn && (navig_agt.indexOf("netscape6/")!=-1));
var navig_nn7=(navig_nn && (navig_agt.indexOf("netscape/7")!=-1));
var navig_ie=((navig_agt.indexOf("msie")!=-1) && (navig_agt.indexOf("opera")==-1));
var navig_ie3=(navig_ie && (navig_maj<4));
var navig_ie4=(navig_ie && (navig_maj==4) && (navig_agt.indexOf("msie 5.")==-1)
  && (navig_agt.indexOf("msie 6.")==-1));
var navig_ie5=(navig_ie && (navig_agt.indexOf("msie 5.")!=-1));
var navig_ie6=(navig_ie && (navig_agt.indexOf("msie 6.")!=-1));
var navig_op=(navig_agt.indexOf("opera")!=-1);
var navig_op2=((navig_agt.indexOf("opera 2")!=-1) || (navig_agt.indexOf("opera/2")!=-1));
var navig_op3=((navig_agt.indexOf("opera 3")!=-1) || (navig_agt.indexOf("opera/3")!=-1));
var navig_op4=((navig_agt.indexOf("opera 4")!=-1) || (navig_agt.indexOf("opera/4")!=-1));
var navig_op5=((navig_agt.indexOf("opera 5")!=-1) || (navig_agt.indexOf("opera/5")!=-1));
var navig_op6=((navig_agt.indexOf("opera 6")!=-1) || (navig_agt.indexOf("opera/6")!=-1));
var navig_op7=((navig_agt.indexOf("opera 7")!=-1) || (navig_agt.indexOf("opera/7")!=-1));
var navig_hot=(navig_agt.indexOf("hotjava")!=-1);
var navig_hot3=(navig_hot && (navig_maj==3));

// detecte la version de Javascript
var navig_js="1.0";
if (navig_nn3 || navig_op) navig_js="1.1";
if (navig_ie4 || (navig_nn4 && (navig_min<=4.05))) navig_js="1.2";
if (navig_ie5 || navig_ie6 || navig_op5 || navig_op6 || (navig_nn4 && (navig_min>4.05))) navig_js="1.3";
if (navig_hot3 || (navig_ie5 && (navig_agt.indexOf("mac")!=-1))) navig_js="1.4";
if (navig_nn6 || navig_nn7 || navig_moz || navig_fox || navig_omn || navig_op7 || navig_saf || navig_kqr) navig_js="1.5";

// detecte le systeme installe
var navig_w23=((navig_agt.indexOf("windows nt 5.2")!=-1) || (navig_agt.indexOf("windows 2003")!=-1));
var navig_wxp=((navig_agt.indexOf("windows nt 5.1")!=-1) || (navig_agt.indexOf("windows xp")!=-1));
var navig_w2k=((navig_agt.indexOf("windows nt 5.0")!=-1) || (navig_agt.indexOf("windows 2")!=-1));
var navig_wnt=((navig_agt.indexOf("winnt")!=-1) || (navig_agt.indexOf("windows nt")!=-1));
var navig_wme=(navig_agt.indexOf("win 9x 4.90")!=-1);
var navig_w98=((navig_agt.indexOf("win98")!=-1) || (navig_agt.indexOf("windows 98")!=-1));
var navig_w95=((navig_agt.indexOf("win95")!=-1) || (navig_agt.indexOf("windows 95")!=-1)
  || (navig_agt.indexOf("win")!=-1) || (navig_agt.indexOf("32bit")!=-1));
var navig_w31=((navig_agt.indexOf("win16")!=-1) || (navig_agt.indexOf("16bit")!=-1)
  || (navig_agt.indexOf("windows 3.1")!=-1) || (navig_agt.indexOf("windows 16-bit")!=-1));
var navig_os2=((navig_agt.indexOf("os/2")!=-1) || (navig_agt.indexOf("ibm-webexplorer")!=-1)
  || (navigator.appVersion.indexOf("OS/2")!=-1));
var navig_macx=(navig_omn || (navig_agt.indexOf("mac os x")!=-1));
var navig_mac=(navig_agt.indexOf("mac")!=-1);
var navig_sun=(navig_agt.indexOf("sunos")!=-1);
var navig_irix=(navig_agt.indexOf("irix")!=-1);
var navig_hpux=(navig_agt.indexOf("hp-ux")!=-1);
var navig_aix=(navig_agt.indexOf("aix")!=-1);
var navig_linux=((navig_agt.indexOf("linux")!=-1) || (navig_agt.indexOf("x11")!=-1));
var navig_sco=((navig_agt.indexOf("sco")!=-1) || (navig_agt.indexOf("unix_sv")!=-1));
var navig_ware=((navig_agt.indexOf("unix_system_v")!=-1) || (navig_agt.indexOf("unixware")!=-1));
var navig_open=((navig_agt.indexOf("openunix")!=-1) || (navig_agt.indexOf("open unix")!=-1));
var navig_mpras=(navig_agt.indexOf("ncr")!=-1);
var navig_dec=((navig_agt.indexOf("dec")!=-1) || (navig_agt.indexOf("osf1")!=-1)
  || (navig_agt.indexOf("alpha")!=-1) || (navig_agt.indexOf("ultrix")!=-1));
var navig_tru=(navig_agt.indexOf("tru64")!=-1);
var navig_sinix=(navig_agt.indexOf("sinix")!=-1);
var navig_fbsd=(navig_agt.indexOf("freebsd")!=-1);
var navig_nbsd=(navig_agt.indexOf("netbsd")!=-1);
var navig_obsd=(navig_agt.indexOf("openbsd")!=-1);
var navig_bsd=(navig_agt.indexOf("bsd")!=-1);
var navig_beos=(navig_agt.indexOf("beos")!=-1);
var navig_qnx=(navig_agt.indexOf("qnx")!=-1);

// --- Fonctions ---

// extrait le numero de version d'une portion de texte
function navig_extVer(txt) {
  if (!txt) return "";
  var ver="";
  for(var i=0; i<txt.length; i++) {
    if ((isNaN(txt.charAt(i))) && (txt.charAt(i)!='.')) {
      if (ver.length>0) return(ver);
    } else {
      ver+=txt.charAt(i);
    }
  }
  return ver;
} // fin navig_extVer(txt)

// retourne le nom du navigateur
function nomNavig() {
  if (navig_mos) return ("NCSA Mosaic");
  else if (navig_omn) return ("OmniWeb");
  else if (navig_kqr) return ("Konqueror");
  else if (navig_saf) return ("Apple Safari");
  else if (navig_ie) return ("Microsoft Internet Explorer");
  else if (navig_op) return ("Opera");
  else if (navig_hot) return ("Sun HotJava");
  else if (navig_fox) return ("Mozilla Firefox");
  else if (navig_moz) return ("Mozilla");
  else if (navig_nn6 || navig_nn7) return ("Netscape");
  else if (navig_nn) return ("Netscape Navigator");
  else return ("inconnu");
} // fin nomNavig()

// retourne le nom du systeme d'exploitation
function nomSysteme() {
  if (navig_w23) return ("Microsoft Windows Server 2003");
  else if (navig_wxp) return ("Microsoft Windows XP");
  else if (navig_w2k) return ("Microsoft Windows 2000");
  else if (navig_wnt) return ("Microsoft Windows NT 4.0");
  else if (navig_wme) return ("Microsoft Windows Me");
  else if (navig_w98) return ("Microsoft Windows 98");
  else if (navig_w95) return ("Microsoft Windows 95");
  else if (navig_w31) return ("Microsoft Windows 3.1");
  else if (navig_os2) return ("IBM OS/2");
  else if (navig_macx) return ("Apple MacOS X");
  else if (navig_mac) return ("Apple MacOS");
  else if (navig_sun) return ("Sun Solaris (SunOS)");
  else if (navig_irix) return ("SGI Irix");
  else if (navig_hpux) return ("HP-UX");
  else if (navig_aix) return ("IBM AIX");
  else if (navig_linux) return ("GNU/Linux");
  else if (navig_sco) return ("SCO UNIX");
  else if (navig_ware) return ("UNIXware");
  else if (navig_open) return ("Caldera Open UNIX");
  else if (navig_mpras) return ("NCR UNIX MPRAS");
  else if (navig_dec) return ("Digital UNIX");
  else if (navig_tru) return ("HP Tru64 UNIX");
  else if (navig_sinix) return ("Siemens SINIX");
  else if (navig_fbsd) return ("FreeBSD");
  else if (navig_nbsd) return ("NetBSD");
  else if (navig_obsd) return ("OpenBSD");
  else if (navig_bsd) return ("BSD/OS");
  else if (navig_beos) return ("BeOS");
  else if (navig_qnx) return ("QNX");
  else return ("inconnu");
} // fin nomSysteme()

// retourne le nom et la version du navigateur
function nomVersionNavig() {
  if (nomNavig()=="inconnu") {
    return (nomNavig());
  } else {
    return (nomNavig()+" "+versionNavig());
  }
} // fin nomVersionNavig()

// retourne la version de Javascript prise en charge par le navigateur
function versionJavascript() {
  return (navig_js);
} // fin versionJavascript()

// retourne la version du navigateur
function versionNavig() {
  var tmp;
  if (navig_ie3 && (navig_maj<3)) {
    return ("3.0");
  } else if (navig_ie5 || navig_ie6) {
    tmp=navig_agt.indexOf("msie");
    return(navig_extVer(navig_agt.substring(tmp+5)));
  } else if (navig_saf) {
    tmp=parseInt(navig_agt.substring(navig_agt.indexOf("safari/")+7));
    if (tmp==100) return ("1.1");
    else if (tmp==125) return ("1.2");
    else if (tmp==146) return ("1.3");
    else if (tmp>146) return ("2.0");
    else return ("1.0");
  } else if (navig_kqr) {
    tmp=navig_agt.indexOf("konqueror/");
    return(navig_extVer(navig_agt.substring(tmp+10)));
  } else if (navig_omn) {
    tmp=navig_agt.indexOf("omniweb/");
    return(navig_extVer(navig_agt.substring(tmp+8)));
  } else if (navig_fox) {
    tmp=navig_agt.indexOf("firefox/");
    return(navig_extVer(navig_agt.substring(tmp+8)));
  } else if (navig_moz) {
    tmp=navig_agt.indexOf("rv:");
    return(navig_extVer(navig_agt.substring(tmp+3)));
  } else if (navig_nn6) {
    tmp=navig_agt.indexOf("netscape6/");
    return(navig_extVer(navig_agt.substring(tmp+10)));
  } else if (navig_nn7) {
    tmp=navig_agt.indexOf("netscape/");
    return(navig_extVer(navig_agt.substring(tmp+9)));
  } else if (nomNavig()=="inconnu") {
    return ("inconnu");
  } else {
    return (navig_min);
  }
} // fin versionNavig()

    </SCRIPT>
  </HEAD>

  <BODY>
    <H1>JsLib 1.3</H1>
    <HR>
    <H2>Exemple - navig.js</H2>

    <NOSCRIPT>
      <P><I>Erreur : votre navigateur ne reconnait pas le Javascript ou est configur&eacute; pour ne
      pas prendre en compte le code Javascript. Dans ce dernier cas, vous pouvez modifier la
      configuration dans les pr&eacute;f&eacute;rences/options de votre navigateur.</I>
      <HR>
    </NOSCRIPT>

    <P>Nom de votre navigateur :
      <SCRIPT TYPE="text/javascript" LANGUAGE="Javascript">document.write(nomNavig());</SCRIPT>

    <P>Nom et version de votre navigateur :
      <SCRIPT TYPE="text/javascript" LANGUAGE="Javascript">document.write(nomVersionNavig());</SCRIPT>

    <P>Version de Javascript reconnue par votre navigateur :
      <SCRIPT TYPE="text/javascript" LANGUAGE="Javascript">document.write(versionJavascript());</SCRIPT>

    <P>Nom de votre syst&egrave;me d'exploitation :
      <SCRIPT TYPE="text/javascript" LANGUAGE="Javascript">document.write(nomSysteme());</SCRIPT>

  </BODY>
</HTML>
1.	Detects the language used by the client's browser
2.	Indentify your browser
3.	Navigator:detect the client's browser
4.	More details about the client's browser
5.	All details about the client's browser
6.	Browser infomation
7.	Accessing the Properties of the navigator Object
8.	Writing Different Text to a Page Based on the Browser
9.	Navigator Object
10.	Using Navigator Properties
11.	Functions to Examine Browsers
12.	Get Browser version
13.	Methods and Properties of the Frame Object
14.	The Methods and Properties of the navigator Object
15.	Verify browser language
16.	Is cookie Enabled
17.	document.alinkColor
18.	document.lastModified
19.	document.title
20.	document.bgColor
21.	document.fgColor
22.	document.linkColor
23.	document.vlinkColor
Detects the browser, its version and the operating system of the client : Browser Info « Window Browser « JavaScript DHTML

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