Javascript获取浏览器信息、操作系统信息

<title>浏览器检测</title>
<mce:script type="text/javascript"><!--
/**
* 客户端信息检测
*
* @类型：类
* @作者：[BI]CJJ http://www.imcjj.com
* @版本：0.1.3 build 061108
* @备注：
*/
function TClientCheck() {
    this.userAgent=navigator.userAgent;
    this.getBrowse=TClientCheck_Browse;
    this.getOS=TClientCheck_OS;
    this.browseKernel="unknown";
    this.isDOMSupport=false;//是否支持DOM
    if(document.getElementById) {
        this.isDOMSupport=true;
    }
}
/**
* 浏览器信息检测
*
* @类型：公共方法
* @参数：无
* @返回：浏览器名称
* @作者：[BI]CJJ http://www.imcjj.com
* @时间：2006-11-7 Last update at 2006-11-8
* @备注：
*/
function TClientCheck_Browse() {
    var sUA=this.userAgent;
     //检测IE浏览器
    if ((navigator.appName == "Microsoft Internet Explorer")) {
        //检测模拟IE浏览的OPERA。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=\'Trident\';
        if(sUA.indexOf(\'Maxthon\')!=-1) {
            return \'Maxthon\';
        }
        if(sUA.indexOf(\'TencentTraveler\')!=-1) { //ver 0.1.3
            return \'腾迅TT\';
        }
        if(document.getElementById) {
            return "IE5+";
        } else {
             return "IE4-";
        }
    }
    //检测Gecko浏览器
    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浏览器
    if(sUA.indexOf(\'Netscape\')!=-1) {
        this.browseKernel=\'Gecko\';
        if(document.getElementById) {
            return "Netscape 6+";
        } else {
            return \'Netscape 5-\';
        }
    }
    //检测Safari浏览器
    if(sUA.indexOf(\'Safari\') != -1) {this.browseKernel=\'KHTML\';return \'Safari\';}
    if(sUA.indexOf(\'konqueror\')!=-1) {this.browseKernel=\'KHTML\';return \'Konqueror\';}
    //目前世界公认浏览网页速度最快的浏览器，但它占用的系统资源也很大。
    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 \'Omniweb 4.2-\';}
    if(document.layers && !navigator.mimeTypes[\'*\'] ) {return \'Escape 4\';}
    if(navigator.appName.indexOf( \'WebTV\' ) + 1 ) {return \'WebTV\';}
    if(sUA.indexOf( \'netgem\' )!=-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 \'Pocket Internet Explorer\'; }
    return "Unknown";
}
/**
* 操作系统信息检测
*
* @类型：公共方法
* @参数：无
* @返回：操作系统名称
* @作者：[BI]CJJ http://www.imcjj.com
* @时间：2006-11-7
* @备注：
*/
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(\'2000\')!=-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 == \'Pocket PC\' ) ) {return \'Windows CE\';}
    if(sUA.indexOf( \'webtv\')!=-1) {return \'WebTV Platform\'; }
    if(sUA.indexOf( \'netgem\')!=-1) {return \'Netgem\';}
    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获取浏览器信息

<mce:script type="text/javascript"><!--
    var oCC=new TClientCheck();
    var oInfo=document.getElementById(\'browseInfo\');
    oInfo.innerHTML=\'<p>您使用的是浏览器是：<b>\'+oCC.getBrowse()+\'</b></p><p>您使用的浏览器的内核是：<b>\'+oCC.browseKernel+\'</b></p><p>您使用的操作系统是：<b>\'+oCC.getOS()+\'</b></p><p>User Agent:\'+oCC.userAgent+\'</p>\';
// --></mce:script>