本文將介紹如何使用Javascript來檢測瀏覽器的類型以及版本號，包括獵豹瀏覽器、搜狗瀏覽器、傲遊瀏覽器、360極速瀏覽器、360安全瀏覽器、QQ瀏覽器、百度瀏覽器、IE,Firefox,Chrome,safari,Opera等。
效果圖
實例代碼
<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>JavaScript判斷瀏覽器類型及版本</title> <script type= "text/javascript" > /** * 獲取瀏覽器類型以及版本號* 支持國產瀏覽器:獵豹瀏覽器、搜狗瀏覽器、傲遊瀏覽器、360極速瀏覽器、360安全瀏覽器、 * QQ瀏覽器、百度瀏覽器等. * 支持國外瀏覽器:IE,Firefox,Chrome,safari,Opera等. * 使用方法: * 獲取瀏覽器版本:Browser.client.version * 獲取瀏覽器名稱(外殼):Browser.client.name * @author:xuzengqiang * @since :2015-1-27 10:26:11**/var Browser=Browser || (function(window){ var document = window.document, navigator = window.navigator, agent = navigator.userAgent.toLowerCase(), //IE8+支持.返回瀏覽器渲染當前文檔所用的模式//IE6,IE7:undefined.IE8:8(兼容模式返回7).IE9:9(兼容模式返回7||8) //IE10:10(兼容模式7||8||9) IEMode = document.documentMode, //chorme chrome = window.chrome || false , System = { //user-agent agent : agent, //是否為IE isIE : /msie/.test(agent), //Gecko內核isGecko: agent.indexOf( "gecko" )> 0 && agent.indexOf( "like gecko" )< 0 , //webkit內核isWebkit: agent.indexOf( "webkit" )> 0 , //是否為標準模式isStrict: document.compatMode === "CSS1Compat" , //是否支持subtitle supportSubTitle:function(){ return "track" in document.createElement( "track" ); }, //是否支持scoped supportScope:function(){ return "scoped" in document.createElement( "style" ); }, //獲取IE的版本號ieVersion:function(){ try { return agent.match(/msie ([/d.]+)/)[ 1 ] || 0 ; } catch (e) { console.log( "error" ); return IEMode; } }, //Opera版本號operaVersion:function(){ try { if (window.opera) { return agent.match(/opera.([/d.]+)/)[ 1 ]; } else if (agent.indexOf( "opr" ) > 0 ) { return agent.match(/opr//([/d.]+)/)[ 1 ]; } } catch (e) { console.log( "error" ); return 0 ; } }, //描述:version過濾.如31.0.252.152 只保留31.0 versionFilter:function(){ if (arguments.length === 1 && typeof arguments[ 0 ] === "string" ) { var version = arguments[ 0 ]; start = version.indexOf( "." ); if (start> 0 ){ end = version.indexOf( "." ,start+ 1 ); if (end !== - 1 ) { return version.substr( 0 ,end); } } return version; } else if (arguments.length === 1 ) { return arguments[ 0 ]; } return 0 ; } }; try { //瀏覽器類型(IE、Opera、Chrome、Safari、Firefox) System.type = System.isIE? "IE" : window.opera || (agent.indexOf( "opr" ) > 0 )? "Opera" : (agent.indexOf( "chrome" )> 0 )? "Chrome" : //safari也提供了專門的判定方式window.openDatabase? "Safari" : (agent.indexOf( "firefox" )> 0 )? "Firefox" : 'unknow' ; //版本號System.version = (System.type === "IE" )?System.ieVersion(): (System.type === "Firefox" )?agent.match(/firefox//([/d.]+)/)[ 1 ]: (System.type === "Chrome" )?agent.match(/chrome//([/d.]+)/)[ 1 ]: (System.type === "Opera" )?System.operaVersion(): (System.type === "Safari" )?agent.match(/version//([/d.]+)/)[ 1 ]: "0" ; //瀏覽器外殼System.shell=function(){ //遨遊瀏覽器if (agent.indexOf( "maxthon" ) > 0 ) { System.version = agent.match(/maxthon//([/d.]+)/)[ 1 ] || System.version ; return "傲遊瀏覽器" ; } //QQ瀏覽器if (agent.indexOf( "qqbrowser" ) > 0 ) { System.version = agent.match(/qqbrowser//([/d.]+)/)[ 1 ] || System.version ; return "QQ瀏覽器" ; } //搜狗瀏覽器if ( agent.indexOf( "se 2.x" )> 0 ) { return '搜狗瀏覽器' ; } //Chrome:也可以使用window.chrome && window.chrome.webstore判斷if (chrome && System.type !== "Opera" ) { var external = window.external, clientInfo = window.clientInformation, //客戶端語言:zh-cn,zh.360下面會返回undefined clientLanguage = clientInfo.languages; //獵豹瀏覽器:或者agent.indexOf("lbbrowser")>0 if ( external && 'LiebaoGetVersion' in external) { return '獵豹瀏覽器' ; } //百度瀏覽器if (agent.indexOf( "bidubrowser" )> 0 ) { System.version = agent.match(/bidubrowser//([/d.]+)/)[ 1 ] || agent.match(/chrome//([/d.]+)/)[ 1 ]; return "百度瀏覽器" ; } //360極速瀏覽器和360安全瀏覽器if ( System.supportSubTitle() && typeof clientLanguage === "undefined" ) { //object.key()返回一個數組.包含可枚舉屬性和方法名稱var storeKeyLen = Object.keys(chrome.webstore).length, v8Locale = "v8Locale" in window; return storeKeyLen > 1 ? '360極速瀏覽器' : '360安全瀏覽器' ; } return "Chrome" ; } return System.type; }; //瀏覽器名稱(如果是殼瀏覽器,則返回殼名稱) System.name = System.shell(); //對版本號進行過濾過處理System.version = System.versionFilter(System.version); } catch (e) { console.log( "error" ); } return { client:System }; })(window);alert(Browser.client.name+ " " +Browser.client.version);</script> </head> <body> </body></html>總結
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