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跨浏览器基础事件 复制代码 代码如下: //跨浏览器添加事件 function addEvent(obj, type, fn) { if (obj.addEventListener) { obj.addEventListener(type, fn, false); } else if (obj.attachEvent) { obj.attachEvent('on' + type, function () { fn.call(obj); }); } } //跨浏览器基础事件 function removeEvent(obj, type, fn) { if (obj.removeEventListener) { obj.removeEventListener(type, fn, false); } else if (obj.detachEvent) { obj.detachEvent('on' + type, fn); } } //跨浏览器阻止默认行为 function preDef(evt) { var e = evt || window.event; if (e.preventDefault) { e.preventDefault(); } else { e.returnValue = false; } } //跨浏览器获取目标对象 function getTarget(evt) { if (evt.target) { //W3C return evt.target; } else if (window.event.srcElement) { //IE return window.event.srcElement; } } //跨浏览器获取字符编码 function getCharCode(evt) { var e = evt || window.event; if (typeof e.charCode == 'number') { return e.charCode; } else { return e.keyCode; } } 浏览器检测 复制代码 代码如下: var client = function(){ //rendering engines var engine = { ie: 0, gecko: 0, webkit: 0, khtml: 0, opera: 0, //complete version ver: null }; //browsers var browser = { //browsers ie: 0, firefox: 0, safari: 0, konq: 0, opera: 0, chrome: 0, //specific version ver: null }; //platform/device/OS var system = { win: false, mac: false, x11: false, //mobile devices iphone: false, ipod: false, ipad: false, ios: false, android: false, nokiaN: false, winMobile: false, //game systems wii: false, ps: false }; //detect rendering engines/browsers var ua = navigator.userAgent; if (window.opera){ engine.ver = browser.ver = window.opera.version(); engine.opera = browser.opera = parseFloat(engine.ver); } else if (/AppleWebKit\/(\S+)/.test(ua)){ engine.ver = RegExp["$1"]; engine.webkit = parseFloat(engine.ver); //figure out if it's Chrome or Safari if (/Chrome\/(\S+)/.test(ua)){ browser.ver = RegExp["$1"]; browser.chrome = parseFloat(browser.ver); } else if (/Version\/(\S+)/.test(ua)){ browser.ver = RegExp["$1"]; browser.safari = parseFloat(browser.ver); } else { //approximate version var safariVersion = 1; if (engine.webkit safariVersion = 1; } else if (engine.webkit safariVersion = 1.2; } else if (engine.webkit safariVersion = 1.3; } else { safariVersion = 2; } browser.safari = browser.ver = safariVersion; } } else if (/KHTML\/(\S+)/.test(ua) || /Konqueror\/([^;]+)/.test(ua)){ engine.ver = browser.ver = RegExp["$1"]; engine.khtml = browser.konq = parseFloat(engine.ver); } else if (/rv:([^\)]+)\) Gecko\/\d{8}/.test(ua)){ engine.ver = RegExp["$1"]; engine.gecko = parseFloat(engine.ver); //determine if it's Firefox if (/Firefox\/(\S+)/.test(ua)){ browser.ver = RegExp["$1"]; browser.firefox = parseFloat(browser.ver); } } else if (/MSIE ([^;]+)/.test(ua)){ engine.ver = browser.ver = RegExp["$1"]; engine.ie = browser.ie = parseFloat(engine.ver); } //detect browsers browser.ie = engine.ie; browser.opera = engine.opera; //detect platform var p = navigator.platform; system.win = p.indexOf("Win") == 0; system.mac = p.indexOf("Mac") == 0; system.x11 = (p == "X11") || (p.indexOf("Linux") == 0); //detect windows operating systems if (system.win){ if (/Win(?:dows )?([^do]{2})\s?(\d+\.\d+)?/.test(ua)){ if (RegExp["$1"] == "NT"){ switch(RegExp["$2"]){ case "5.0": system.win = "2000"; break; case "5.1": system.win = "XP"; break; case "6.0": system.win = "Vista"; break; case "6.1": system.win = "7"; break; default: system.win = "NT"; break; } } else if (RegExp["$1"] == "9x"){ system.win = "ME"; } else { system.win = RegExp["$1"]; } } } //mobile devices system.iphone = ua.indexOf("iPhone") > -1; system.ipod = ua.indexOf("iPod") > -1; system.ipad = ua.indexOf("iPad") > -1; system.nokiaN = ua.indexOf("NokiaN") > -1; //windows mobile if (system.win == "CE"){ system.winMobile = system.win; } else if (system.win == "Ph"){ if(/Windows Phone OS (\d+.\d+)/.test(ua)){; system.win = "Phone"; system.winMobile = parseFloat(RegExp["$1"]); } } //determine iOS version if (system.mac && ua.indexOf("Mobile") > -1){ if (/CPU (?:iPhone )?OS (\d+_\d+)/.test(ua)){ system.ios = parseFloat(RegExp.$1.replace("_", ".")); } else { system.ios = 2; //can't really detect - so guess } } //determine Android version if (/Android (\d+\.\d+)/.test(ua)){ system.android = parseFloat(RegExp.$1); } //gaming systems system.wii = ua.indexOf("Wii") > -1; system.ps = /playstation/i.test(ua); //return it return { engine: engine, browser: browser, system: system }; }(); 判断浏览器的名称、版本号、操作系统 复制代码 代码如下: var BrowserDetect = { init: function () { this.browser = this.searchString(this.dataBrowser) || "An unknown browser"; this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "an unknown version"; this.OS = this.searchString(this.dataOS) || "an unknown OS"; }, searchString: function (data) { for (var i=0;ivar dataString = data[i].string; var dataProp = data[i].prop; this.versionSearchString = data[i].versionSearch || data[i].identity; if (dataString) { if (dataString.indexOf(data[i].subString) != -1) return data[i].identity; } else if (dataProp) return data[i].identity; } }, searchVersion: function (dataString) { var index = dataString.indexOf(this.versionSearchString); if (index == -1) return; return parseFloat(dataString.substring(index+this.versionSearchString.length+1)); }, dataBrowser: [ { string: navigator.userAgent, subString: "Chrome", identity: "Chrome" }, { string: navigator.userAgent, subString: "OmniWeb", versionSearch: "OmniWeb/", identity: "OmniWeb" }, { string: navigator.vendor, subString: "Apple", identity: "Safari", versionSearch: "Version" }, { prop: window.opera, identity: "Opera", versionSearch: "Version" }, { string: navigator.vendor, subString: "iCab", identity: "iCab" }, { string: navigator.vendor, subString: "KDE", identity: "Konqueror" }, { string: navigator.userAgent, subString: "Firefox", identity: "Firefox" }, { string: navigator.vendor, subString: "Camino", identity: "Camino" }, { // for newer Netscapes (6+) string: navigator.userAgent, subString: "Netscape", identity: "Netscape" }, { string: navigator.userAgent, subString: "MSIE", identity: "Internet Explorer", versionSearch: "MSIE" }, { string: navigator.userAgent, subString: "Gecko", identity: "Mozilla", versionSearch: "rv" }, { // for older Netscapes (4-) string: navigator.userAgent, subString: "Mozilla", identity: "Netscape", versionSearch: "Mozilla" } ], dataOS : [ { string: navigator.platform, subString: "Win", identity: "Windows" }, { string: navigator.platform, subString: "Mac", identity: "Mac" }, { string: navigator.userAgent, subString: "iPhone", identity: "iPhone/iPod" }, { string: navigator.platform, subString: "Linux", identity: "Linux" } ] }; BrowserDetect.init(); alert(BrowserDetect.browser); //名称 alert(BrowserDetect.version); //版本 alert(BrowserDetect.OS) //系统 09-16 12:06