下面是部分翻译过的JS，看起来好看些。

(function () {function setHref(a, b) {return a.href = b;}function setName(a, b) {return a.name = b;}//使用情况的埋点var allusage = new function () {var array = [];this.set = function (b) {array[b]= true;};this.usageFlag = function () {for(var b = [], c = 0; c < array.length; c++) {array[c]&& (b[Math.floor(c / 6)] = b[Math.floor(c / 6)] ^ 1 << c % 6);}for (c = 0; c < b.length; c++) {b[c]= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_".charAt(b[c]|| 0);}return b.join("") + "~";};};//设置信息标志function setMsgCode(a) {allusage.set(a);};function isFunction(a) {return "function" == typeof a;}function isArray(a) {return "[object Array]" == Object.prototype.toString.call(Object(a));}function isString(a) {return void 0 != a && - 1 < (a.constructor + "").indexOf("String");}function inString(a, b) {return 0 == a.indexOf(b);}//去除空格function removeBlank(a) {return a ? a.replace(/^[\s\xa0]+|[\s\xa0]+$/g, ""): "";}function Td() {return [roundCode() ^ Mc() & 0x7FFFFFFF, Math.round((new Date).getTime() / 1E3)].join(".");}function createImg(a) {var b = document.createElement("img");b.width = 1;b.height = 1;b.src = a;return b;}function emptyFunction() {}function encodeUri(a) {if(encodeURIComponent instanceof Function) return encodeURIComponent(a);setMsgCode(28);return a;}//对括号进行编码function encodeBracket(a) {return encodeUri(a).replace(/\(/g, "%28").replace(/\)/g, "%29");}var addEvent = function (a, b, c, d) {try {a.addEventListener ? a.addEventListener(b, c, !!d): a.attachEvent && a.attachEvent("on" +b, c);} catch (e) {setMsgCode(27);}};var removeEvent = function (a, b, c) {a.removeEventListener ? a.removeEventListener(b, c, false): a.detachEvent && a.detachEvent("on" +b, c);};function createScript(a, b) {if(a) {var c = document.createElement("script");c.type = "text/javascript";c.async = true;c.src = a;c.id = b;var d = document.getElementsByTagName("script")[0];d.parentNode.insertBefore(c, d);}}function getProtocol() {return Ba || "https:" == document.location.protocol ? "https:" : "http:";}function getHostname() {var a = "" + document.location.hostname;return 0 == a.indexOf("www.") ? a.substring(4): a;}function getReferrer(a) {var b = document.referrer;if (/^https?:\/\//i.test(b)) {if (a) return b;a = "//" + document.location.hostname;var c = b.indexOf(a);if (5 == c || 6 == c) if (a = b.charAt(c +a.length), "/" == a || "?" == a || "" == a || ":" == a) return;return b;}}function preParameters(a, b) {if(1 == b.length && null != b[0] && "object" === typeof b[0]) return b[0];for (var c = { },d = Math.min(a.length +1, b.length),e = 0; e < d; e++)if ("object" === typeof b[e]) {for (var g in b[e]) b[e].hasOwnProperty(g) &&(c[g] = b[e][g]);break;} else e < a.length && (c[a[e]]= b[e]);return c;};//用于存在储键值对应的容器var kVContainer = function () {this.keys =[];this.w = { };this.m = { };};kVContainer.prototype.set = function (a, b, c) {this.keys.push(a);c ? this.m[":" +a] = b: this.w[":" +a] = b;};kVContainer.prototype.get = function (a) {return this.m.hasOwnProperty(":" +a) ? this.m[":" +a] : this.w[":" +a];};kVContainer.prototype.map = function (a) {for(var b = 0; b < this.keys.length; b++) {var c = this.keys[b];var d = this.get(c);d && a(c, d);}};//是否禁用了跟踪，参见帮助文档var isDisabledTrack = function (a) {return false;};var fb = function (a) {setTimeout(a, 100);};var getCookieValue = function (a) {var b = [],c = document.cookie.split(";");a = new RegExp("^\\s*" +a + "=\\s*(.*?)\\s*$");for (var d = 0; d < c.length; d++) {var e = c[d].match(a);e && b.push(e[1]);}return b;};var getsetCookie = function (a, b, c, d, e, g) {//如果被禁用或自身几个网站，不进行跟踪，返回Falsee = isDisabledTrack(e) ? false : regDoubleclick.test(document.location.hostname) || "/" == c && regGoogleSite.test(d) ? false : true;if (!e) return false;b && 1200 < b.length && (b = b.substring(0, 1200), setMsgCode(24));c = a + "=" + b + "; path=" +c + "; ";g && (c += "expires=" +(new Date((new Date).getTime() +g)).toGMTString() + "; ");d && "none" != d && (c += "domain=" +d + ";");d = document.cookie;document.cookie = c;if (!(d = d != document.cookie))t: {a = getCookieValue(a);for (d = 0; d < a.length; d++)if (b == a[d]) {d = true;break t;}d = false;}return d;};var regGoogleSite = new RegExp(/^(www\.)?google(\.com?)?(\.[a-z]{2})?$/);var regDoubleclick = new RegExp(/(^|\.)doubleclick\.net$/i);var Mc = function () {//debugger;for(var a = window.navigator.userAgent+ (document.cookie ? document.cookie: "")+ (document.referrer ? document.referrer: ""),b = a.length,c = window.history.length;0 < c;) {a += c-- ^ b++;}return La(a);};var oc = function () {return getProtocol() + "//localhost:25388";//return getProtocol() + "//www.google-analytics.com";};var lenException = function (a) {setName(this, "len");this.message = a + "-8192";};//firefox errorvar ff2postException = function (a) {setName(this, "ff2post");this.message = a + "-2036";};//如果支持sendBeacon 就使用它,var sendRequest = function (targetUrl, datas, callback, sendBeaconCallback) {callback = callback || emptyFunction;//优先使用sendBeaconCallbacksendBeaconCallback && (sendBeaconCallback = callback, window.navigator.sendBeacon ?window.navigator.sendBeacon(targetUrl, datas) ?(sendBeaconCallback(), sendBeaconCallback = true) : sendBeaconCallback = false : sendBeaconCallback = false);if (!sendBeaconCallback) {if (2036 >= datas.length) {imageRequest(targetUrl, datas, callback);} else if (8192 >= datas.length) {if (0 <= window.navigator.userAgent.indexOf("Firefox") && ![].reduce) {throw new ff2postException(datas.length);}XMLHttpRequest(targetUrl, datas, callback) || XDomainRequest(targetUrl, datas, callback) || IframeRequest(datas, callback) || callback();} else {throw new lenException(datas.length);}}};//图片的请求方式var imageRequest = function (a, b, c) {var d = createImg(a + "?" + b);d.onload = d.onerror = function () {d.onload = null;d.onerror = null;c();};};//XDomainRequest var XDomainRequest = function (a, b, c) {var d;d = window.XDomainRequest;if (!d) return false;d = new d;d.open("POST", a);d.onerror = function () {c();};d.onload = c;d.send(b);return true;};var XMLHttpRequest = function (a, b, c) {var d = window.XMLHttpRequest;if (!d) return false;var e = new d;if (!("withCredentials" in e)) return false;e.open("POST", a, true);e.withCredentials = true;e.setRequestHeader("Content-Type", "text/plain");e.onreadystatechange = function () {4 == e.readyState && (c(), e = null);};e.send(b);return true;};var IframeRequest = function (a, b) {if(!document.body)return fb(function () {IframeRequest(a, b);}),true;a = encodeURIComponent(a);try {var c = document.createElement('<iframe name="' +a + '"></iframe>');} catch (d) {c = document.createElement("iframe"),setName(c, a);}c.height = "0";c.width = "0";c.style.display = "none";c.style.visibility = "hidden";var e = document.location,e = oc() + "/analytics_iframe.html#" + encodeURIComponent(e.protocol + "//" + e.host + "/favicon.ico"),g = function () {c.src = "";c.parentNode && c.parentNode.removeChild(c);};addEvent(window, "beforeunload", g);var ca = false,l = 0,k = function () {if(!ca) {try {if (9 < l || c.contentWindow.location.host == document.location.host) {ca = true;g();removeEvent(window, "beforeunload", g);b();return;}} catch (a) {}l++;setTimeout(k, 200);}};addEvent(c, "load", k);document.body.appendChild(c);c.src = e;return true;};var Ha = function () {this.t =[];};Ha.prototype.add = function (a) {this.t.push(a);};Ha.prototype.D = function (a) {try {for (var b = 0; b < this.t.length; b++) {var c = a.get(this.t[b]);c && isFunction(c) && c.call(window, a);}} catch (d) {}b = a.get(hitCallback);b != emptyFunction && isFunction(b) &&(a.set(hitCallback, emptyFunction, true), setTimeout(b, 10));};function checksampler(a) {if(100 != a.get(sampleRate) && La(getStrConfig(a, clientId)) % 1E4 >= 100 * getIntConfig(a, sampleRate)) throw "abort";}function checkisDisabledTrack(a) {if(isDisabledTrack(getStrConfig(a, trackingId))) throw "abort";}function checkProtocol() {var a = document.location.protocol;if ("http:" != a && "https:" != a) throw "abort";}function buildHitTasks(a) {try {window.XMLHttpRequest && "withCredentials" in new window.XMLHttpRequest ? setMsgCode(40): window.XDomainRequest && setMsgCode(41),window.navigator.sendBeacon && setMsgCode(42);} catch (b) {}a.set(stepInPage, getIntConfig(a, stepInPage) +1);var c = [];Qa.map(function(b, d) {if(d.p) {var e = a.get(b);void 0 != e && e != d.defaultValue && ("boolean" == typeof e && (e *= 1), c.push(d.p + "=" + encodeUri("" +e)));}});if (Ed(new Od(1E4))) {var d = [];d.push(round1());d.push.apply(d, Td().split("."));d.push(round2());var e;e = window.crypto ? true : false;d.push(e ? "c": "b");c.push("z=" +d.join("."));} else c.push("z=" +round2());a.set(hitPayload, c.join("&"), true);}function sendHitTasks(a) {var b = getStrConfig(a, transportUrl) || oc() + "/collect";sendRequest(b, getStrConfig(a, hitPayload), a.get(hitCallback), a.get(useBeacon));a.set(hitCallback, emptyFunction, true);}function Hc(a) {var b = window.gaData;b && (b.expId && a.set(Nc, b.expId), b.expVar && a.set(Oc, b.expVar));}function checkpreviewTask() {if(window.navigator && "preview" == window.navigator.loadPurpose) throw "abort";}function checkTrackidexist(a) {if(!a.get(trackingId)) throw "abort";};var round1 = function () {return Math.round(0x7FFFFFFF * Math.random());};var round2 = function () {try {var a = new Uint32Array(1);window.crypto.getRandomValues(a);return a[0]& 0x7FFFFFFF;} catch (b) {return round1();}};var roundCode = round1;function Ta(a) {var b = getIntConfig(a, Ua);500 <= b && setMsgCode(15);var c = getStrConfig(a, hitType);if ("transaction" != c && "item" != c) {var c = getIntConfig(a, Wa),d = (new Date).getTime(),e = getIntConfig(a, Xa);0 == e && a.set(Xa, d);e = Math.round(2 * (d - e) / 1E3);0 < e && (c = Math.min(c +e, 20), a.set(Xa, d));if (0 >= c) throw "abort";a.set(Wa, --c);}a.set(Ua, ++b);};var settings = function () {this.data = new kVContainer;};var Qa = new kVContainer;var Za = [];settings.prototype.get = function (a) {var b = $a(a);var c = this.data.get(a);b && void 0 == c && (c = isFunction(b.defaultValue) ? b.defaultValue(): b.defaultValue);return b && b.n ? b.n(this, a, c): c;};settings.prototype.set = function (a, b, c) {if(a)if ("object" == typeof a) {for (var d in a) {a.hasOwnProperty(d) && ab(this, d, a[d], c);}} else {ab(this, a, b, c);}};var getStrConfig = function (a, b) {var c = a.get(b);return void 0 == c ? "" : "" + c;};var getIntConfig = function (a, b) {var c = a.get(b);return void 0 == c || "" === c ? 0 : 1 * c;};var ab = function (a, b, c, d) {if(void 0 != c)switch (b) {case trackingId:wb.test(c);}var e = $a(b);e && e.o ? e.o(a, b, c, d): a.data.set(b, c, d);};var bb = function (aName, bshortName, cdefaultValue, d, e) {setName(this, aName);this.p = bshortName;this.n = d;this.o = e;this.defaultValue = cdefaultValue;};var $a = function (a) {var b = Qa.get(a);if (!b)for (var c = 0; c < Za.length; c++) {var d = Za[c],e = d[0].exec(a);if (e) {b = d[1](e);Qa.set(b.name, b);break;}}return b;};var yc = function (a) {var b;Qa.map(function(c, d) {d.p == a && (b = d);});return b && b.name;};var S = function (aName, bshortName, cdefaultValue, d, e) {aName = new bb(aName, bshortName, cdefaultValue, d, e);Qa.set(aName.name, aName);return aName.name;};var cb = function (a, b) {Za.push([new RegExp("^" +a + "$"), b]);};var T = function (aName, bshortName, cdefaultValue) {return S(aName, bshortName, cdefaultValue, void 0, db);};var db = function () {};var WXAnalyticsObjectName = isString(window.WXAnalyticsObject) && removeBlank(window.WXAnalyticsObject) || "wa";var Ba = false;var apiVersion = T("apiVersion", "v");var clientVersion = T("clientVersion", "_v");S("anonymizeIp", "aip");var hitType = S("hitType", "t");var hitCallback = S("hitCallback");var hitPayload = S("hitPayload");S("nonInteraction", "ni");S("currencyCode", "cu");var useBeacon = S("useBeacon", void 0, false);S("dataSource", "ds");S("sessionControl", "sc", "");S("sessionGroup", "sg");S("queueTime", "qt");var stepInPage = S("_s", "_s");S("screenName", "cd");var kb = S("location", "dl", "");var lb = S("referrer", "dr");var mb = S("page", "dp", "");S("hostname", "dh");var nb = S("language", "ul");var ob = S("encoding", "de");S("title", "dt",function () {return document.title || void 0;});cb("contentGroup([0-9]+)",function (a) {return new bb(a[0], "cg" +a[1]);});var pb = S("screenColors", "sd");var qb = S("screenResolution", "sr");var rb = S("viewportSize", "vp");var sb = S("javaEnabled", "je");var tb = S("flashVersion", "fl");S("campaignId", "ci");S("campaignName", "cn");S("campaignSource", "cs");S("campaignMedium", "cm");S("campaignKeyword", "ck");S("campaignContent", "cc");var ub = S("eventCategory", "ec");var xb = S("eventAction", "ea");var yb = S("eventLabel", "el");var zb = S("eventValue", "ev");var Bb = S("socialNetwork", "sn");var Cb = S("socialAction", "sa");var Db = S("socialTarget", "st");var Eb = S("l1", "plt");var Fb = S("l2", "pdt");var Gb = S("l3", "dns");var Hb = S("l4", "rrt");var Ib = S("l5", "srt");var Jb = S("l6", "tcp");var Kb = S("l7", "dit");var Lb = S("l8", "clt");var Mb = S("timingCategory", "utc");var Nb = S("timingVar", "utv");var Ob = S("timingLabel", "utl");var Pb = S("timingValue", "utt");S("appName", "an");S("appVersion", "av", "");S("appId", "aid", "");S("appInstallerId", "aiid", "");S("exDescription", "exd");S("exFatal", "exf");var Nc = S("expId", "xid");var Oc = S("expVar", "xvar");var Ua = S("_hc", void 0, 0);var Xa = S("_ti", void 0, 0);var Wa = S("_to", void 0, 20);cb("dimension([0-9]+)",function (a) {return new bb(a[0], "cd" +a[1]);});cb("metric([0-9]+)",function (a) {return new bb(a[0], "cm" +a[1]);});S("linkerParam", void 0, void 0, Bc, db);var ld = S("usage", "_u", void 0, function () {return allusage.usageFlag();}, db);S("forceSSL", void 0, void 0,function () {return Ba;},function (a, b, c) {setMsgCode(34);Ba = !!c;});//var ed = S("_j1", "jid");//var Hd = S("_j2", "gjid");cb("\\&(.*)",function (a) {var b = new bb(a[0], a[1]),c = yc(a[0].substring(1));c && (b.n = function (a) {return a.get(c);},b.o = function (a, b, g, ca) {a.set(c, g, ca);},b.p = void 0);return b;});var _oot = T("_oot");var previewTask = S("previewTask");var checkProtocolTask = S("checkProtocolTask");var validationTask = S("validationTask");var checkStorageTask = S("checkStorageTask");//var historyImportTask = S("historyImportTask");var samplerTask = S("samplerTask");var _rlt = T("_rlt");var buildHitTask = S("buildHitTask");var sendHitTask = S("sendHitTask");var ceTask = S("ceTask");//var devIdTask = S("devIdTask");var timingTask = S("timingTask");//var displayFeaturesTask = S("displayFeaturesTask");var V = T("name");var clientId = T("clientId", "cid");var userId = S("userId", "uid");var trackingId = T("trackingId", "tid");var cookieName = T("cookieName", void 0, "_wa");var cookieDomain = T("cookieDomain");var cookiePath = T("cookiePath", void 0, "/");var cookieExpires = T("cookieExpires", void 0, 63072E3);var legacyCookieDomain = T("legacyCookieDomain");//var legacyHistoryImport = T("legacyHistoryImport", void 0, true);var storage = T("storage", void 0, "cookie");//var allowLinker = T("allowLinker", void 0, false);//var allowAnchor = T("allowAnchor", void 0, true);var sampleRate = T("sampleRate", "sf", 100);var siteSpeedSampleRate = T("siteSpeedSampleRate", void 0, 1);var alwaysSendReferrer = T("alwaysSendReferrer", void 0, false);var transportUrl = S("transportUrl");//var _r = S("_r", "_r");//var _dfr = S("_dfr", void 0, 1);function createCommands(commandName, b, c, d) {b[commandName]= function () {try {return d && setMsgCode(d),c.apply(this, arguments);} catch (b) {var g = b && b.name;if (!(1 <= 100 * Math.random() || isDisabledTrack("?"))) {var ca = ["t=error", "_e=exc", "_v=j30", "sr=1"];commandName && ca.push("_f=" + commandName);g && ca.push("_m=" + encodeUri(g.substring(0, 100)));ca.push("aip=1");ca.push("z=" +roundCode());sendRequest(oc() + "/collect", ca.join("&"));}throw b;}};};var Od = function (a) {this.V = a;this.fa = void 0;this.$ = false;this.ha = void 0;this.ea = 1;};var Ed = function (a, b, c) {if(a.fa && a.$) return 0;a.$ = true;if (b) {if (a.ha && getIntConfig(b, a.ha)) return getIntConfig(b, a.ha);if (0 == b.get(siteSpeedSampleRate)) return 0;}if (0 == a.V) return 0;void 0 === c && (c = round2());return 0 == c % a.V ? Math.floor(c / a.V) % a.ea + 1: 0;};function flashVersion() {var a, b, c;if ((c = (c = window.navigator) ? c.plugins : null) && c.length)for (var d = 0; d < c.length && !b; d++) {var e = c[d];-1 < e.name.indexOf("Shockwave Flash") && (b = e.description);}if (!b)try {a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7"),b = a.GetVariable("$version");} catch (g) {}if (!b)try {a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6"),b = "WIN 6,0,21,0",a.AllowScriptAccess = "always",b = a.GetVariable("$version");} catch (ca) {}if (!b)try {a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"),b = a.GetVariable("$version");} catch (l) {}b && (a = b.match(/[\d]+/g)) && 3 <= a.length && (b = a[0] + "." + a[1] + " r" + a[2]);return b || void 0;};var collectPerformance = function (a, b) {var c = Math.min(getIntConfig(a, siteSpeedSampleRate), 100);if (!(La(getStrConfig(a, clientId)) % 100 >= c) && (c = { },getperformance(c) || getperformance2(c))) {var d = c[Eb];void 0 == d || Infinity == d || isNaN(d) ||(0 < d ? (Y(c, Gb), Y(c, Jb), Y(c, Ib), Y(c, Fb), Y(c, Hb), Y(c, Kb), Y(c, Lb), b(c)):addEvent(window, "load",function () {collectPerformance(a, b);},false));}};var getperformance = function (a) {var b = window.performance || window.webkitPerformance,b = b && b.timing;if (!b) return false;var c = b.navigationStart;if (0 == c) return false;a[Eb]= b.loadEventStart -c;a[Gb]= b.domainLookupEnd -b.domainLookupStart;a[Jb]= b.connectEnd -b.connectStart;a[Ib]= b.responseStart -b.requestStart;a[Fb]= b.responseEnd -b.responseStart;a[Hb]= b.fetchStart -c;a[Kb]= b.domInteractive -c;a[Lb]= b.domContentLoadedEventStart -c;return true;};var getperformance2 = function (a) {if(window.top != window) return false;var b = window.external,c = b && b.onloadT;b && !b.isValidLoadTime && (c = void 0);2147483648 < c && (c = void 0);0 < c && b.setPageReadyTime();if (void 0 == c) return false;a[Eb]= c;return true;};var Y = function (a, b) {var c = a[b];if (isNaN(c) || Infinity == c || 0 > c) a[b]= void 0;};var sendTiming = function (a) {return function (b) {"pageview" != b.get(hitType) || a.I || (a.I = true, collectPerformance(b,function (b) {a.send("timing", b);}));};};var hc = false;var mc = function (a) {if("cookie" == getStrConfig(a, storage)) {var b = getStrConfig(a, cookieName),c = nd(a),d = kc(getStrConfig(a, cookiePath)),e = lc(getStrConfig(a, cookieDomain)),g = 1E3 * getIntConfig(a, cookieExpires),ca = getStrConfig(a, trackingId);if ("auto" != e) getsetCookie(b, c, d, e, ca, g) && (hc = true);else {setMsgCode(32);var l;t: {c =[];e = getHostname().split(".");if (4 == e.length && (l = e[e.length -1], parseInt(l, 10) == l)) {l =["none"];break t;}for (l = e.length -2; 0 <= l; l--) c.push(e.slice(l).join("."));c.push("none");l = c;}for (var k = 0; k < l.length; k++)if (e = l[k], a.data.set(cookieDomain, e), c = nd(a), getsetCookie(b, c, d, e, ca, g)) {hc = true;return;}a.data.set(cookieDomain, "auto");}}};var checkStorage = function (a) {if("cookie" == getStrConfig(a, storage) && !hc && (mc(a), !hc)) throw "abort";};var nd = function (a) {var b = encodeBracket(getStrConfig(a, clientId));var c = ic(getStrConfig(a, cookieDomain));a = jc(getStrConfig(a, cookiePath));1 < a && (c += "-" + a);return ["MY_A1", c, b].join(".");};var Gc = function (a, b, c) {for(var d = [], e =[], g, ca = 0; ca < a.length; ca++) {var l = a[ca];if (l.r[c]== b) d.push(l);else void 0 == g || l.r[c] < g ? (e = [l], g = l.r[c]): l.r[c] == g && e.push(l);}return 0 < d.length ? d: e;};var lc = function (a) {return 0 == a.indexOf(".") ? a.substr(1): a;};var ic = function (a) {return lc(a).split(".").length;};var kc = function (a) {if(!a) return "/";1 < a.length && a.lastIndexOf("/") == a.length -1 && (a = a.substr(0, a.length -1));0 != a.indexOf("/") &&(a = "/" + a);return a;};var jc = function (a) {a = kc(a);return "/" == a ? 1 : a.split("/").length;};function Xc(a, b, c) {"none" == b && (b = "");var d = [],e = getCookieValue(a);a = "__utma" == a ? 6 : 2;for (var g = 0; g < e.length; g++) {var ca = ("" + e[g]).split(".");ca.length >= a && d.push({hash: ca[0],R: e[g],O: ca});}return 0 == d.length ? void 0 : 1 == d.length ? d[0] : Zc(b, d) || Zc(c, d) || Zc(null, d) || d[0];}function Zc(a, b) {var c, d;null == a ? c = d = 1 : (c = La(a), d = La(inString(a, ".") ? a.substring(1): "." + a));for (var e = 0; e < b.length; e++) if (b[e].hash == c || b[e].hash == d) return b[e];};var od = new RegExp(/^https?:\/\/([^\/:]+)/);var pd = /(.*)([?&#])(?:_wa=[^&#]*)(?:&?)(.*)/;function Bc(a) {a = a.get(clientId);var b = Ic(a, 0);return "_wa=1." + encodeUri(b + "." + a);}function Ic(a, b) {for(var c = new Date,d = window.navigator,e = d.plugins ||[],c =[a, d.userAgent, c.getTimezoneOffset(), c.getYear(), c.getDate(), c.getHours(), c.getMinutes() +b],d = 0; d < e.length; ++d) c.push(e[d].description);return La(c.join("."));}var Dc = function (a) {setMsgCode(48);this.target = a;this.T = false;};Dc.prototype.Q = function (a, b) {if(a.tagName) {if ("a" == a.tagName.toLowerCase()) {a.href && setHref(a, qd(this, a.href, b));return;}if ("form" == a.tagName.toLowerCase()) return rd(this, a);}if ("string" == typeof a) return qd(this, a, b);};var qd = function (a, b, c) {var d = pd.exec(b);d && 3 <= d.length && (b = d[1] + (d[3] ? d[2] + d[3] : ""));a = a.target.get("linkerParam");var e = b.indexOf("?"),d = b.indexOf("#");c ? b += (- 1 == d ? "#" : "&") + a : (c = - 1 == e ? "?" : "&", b = -1 == d ? b + (c + a) : b.substring(0, d) +c + a + b.substring(d));return b;};var rd = function (a, b) {if(b && b.action) {var c = a.target.get("linkerParam").split("=")[1];if ("get" == b.method.toLowerCase()) {for (var d = b.childNodes ||[], e = 0; e < d.length; e++)if ("_wa" == d[e].name) {d[e].setAttribute("value", c);return;}d = document.createElement("input");d.setAttribute("type", "hidden");d.setAttribute("name", "_wa");d.setAttribute("value", c);b.appendChild(d);} else "post" == b.method.toLowerCase() &&(b.action = qd(a, b.action));}};Dc.prototype.S = function (a, b, c) {function d(c) {try {c = c || window.event;var d;t: {var g = c.target || c.srcElement;for (c = 100; g && 0 < c;) {if (g.href && g.nodeName.match(/^a(?:rea)?$/i)) {d = g;break t;}g = g.parentNode;c--;}d = {};}("http:" == d.protocol || "https:" == d.protocol) && sd(a, d.hostname || "") && d.href && setHref(d, qd(e, d.href, b));} catch (w) {setMsgCode(26);}}var e = this;this.T || (this.T = true, addEvent(document, "mousedown", d, false), addEvent(document, "touchstart", d, false), addEvent(document, "keyup", d, false));if (c) {c = function (b) {b = b || window.event;if ((b = b.target || b.srcElement) && b.action) {var c = b.action.match(od);c && sd(a, c[1]) && rd(e, b);}};for (var g = 0; g < document.forms.length; g++) addEvent(document.forms[g], "submit", c);}};function sd(a, b) {if(b == document.location.hostname) return false;for (var c = 0; c < a.length; c++)if (a[c]instanceof RegExp) {if (a[c].test(b)) return true;} else if (0 <= b.indexOf(a[c])) return true;return false;};var wb = /^(UA|YT|MO|GP)-(\d+)-(\d+)$/;var pc = function (a) {function bind(a, b) {d.b.data.set(a, b);}function bindfilters(a, c) {bind(a, c);d.filters.add(a);}var d = this;this.b = new settings;this.filters = new Ha;bind(V, a[V]);bind(trackingId, removeBlank(a[trackingId]));bind(cookieName, a[cookieName]);bind(cookieDomain, a[cookieDomain]|| getHostname());bind(cookiePath, a[cookiePath]);bind(cookieExpires, a[cookieExpires]);bind(sampleRate, a[sampleRate]);bind(siteSpeedSampleRate, a[siteSpeedSampleRate]);bind(alwaysSendReferrer, a[alwaysSendReferrer]);bind(storage, a[storage]);bind(userId, a[userId]);bind(apiVersion, 1);bind(clientVersion, "j30");bindfilters(_oot, checkisDisabledTrack);bindfilters(previewTask, checkpreviewTask);bindfilters(checkProtocolTask, checkProtocol);bindfilters(validationTask, checkTrackidexist);bindfilters(checkStorageTask, checkStorage);bindfilters(samplerTask, checksampler);bindfilters(_rlt, Ta);bindfilters(ceTask, Hc);bindfilters(buildHitTask, buildHitTasks);bindfilters(sendHitTask, sendHitTasks);bindfilters(timingTask, sendTiming(this));Jc(this.b, a[clientId]);preCommRequestArgs(this.b);};var Jc = function (a, b) {if("cookie" == getStrConfig(a, storage)) {hc = false;var c;i: {var d = getCookieValue(getStrConfig(a, cookieName));if (d && !(1 > d.length)) {c =[];for (var e = 0; e < d.length; e++) {var g;g = d[e].split(".");var ca = g.shift();("GA1" == ca || "1" == ca) && 1 < g.length ? 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"" : ca.join("x");a.set(rb, c);a.set(tb, flashVersion());a.set(ob, document.characterSet || document.charset);a.set(sb, b && "function" === typeof b.javaEnabled && b.javaEnabled() || false);a.set(nb, (b && (b.language || b.browserLanguage) || "").toLowerCase());};pc.prototype.get = function (a) {return this.b.get(a);};pc.prototype.set = function (a, b) {this.b.set(a, b);};var qc = {pageview: [mb],event: [ub, xb, yb, zb],social: [Bb, Cb, Db],timing: [Mb, Nb, Pb, Ob]};pc.prototype.send = function (a) {if(!(1 > arguments.length)) {var b, c;if ("string" === typeof arguments[0]) {(b = arguments[0], c =[].slice.call(arguments, 1));} else {(b = arguments[0]&& arguments[0][hitType], c = arguments);}if (b) {c = preParameters(qc[b]||[], c),c[hitType]= b,this.b.set(c, void 0, true),this.filters.D(this.b),this.b.data.m = { },setMsgCode(44);}}};var onPageIsVisibility = function (funcrun) {if("prerender" == document.visibilityState) return false;funcrun();return true;};var td = /^(?:(\w+)\.)?(?:(\w+):)?(\w+)$/;var sc = function (a) {if(isFunction(a[0])) this.u = a[0];else {var b = td.exec(a[0]);null != b && 4 == b.length && (this.c = b[1]|| "t0", this.e = b[2]|| "", this.d = b[3], this.a =[].slice.call(a, 1), this.e|| (this.A = "create" == this.d, this.i = "require" == this.d, this.g = "provide" == this.d, this.ba = "remove" == this.d), this.i && (3 <= this.a.length ? (this.X = this.a[1], this.W = this.a[2]): this.a[1]&& (isString(this.a[1]) ? this.X = this.a[1]: this.W = this.a[1])));b = a[1];a = a[2];if (!this.d) throw "abort";if (this.i && (!isString(b) || "" == b)) throw "abort";if (this.g && (!isString(b) || "" == b || !isFunction(a))) throw "abort";if (ud(this.c) || ud(this.e)) throw "abort";if (this.g && "t0" != this.c) throw "abort";}};function ud(a) {return 0 <= a.indexOf(".") || 0 <= a.indexOf(":");};var Yd;var Zd;var $d;Yd = new kVContainer;$d = new kVContainer;Zd = {ec: 45,ecommerce: 46,linkid: 47};var tc = function (a, b, c) {b == $ ? setMsgCode(35): b.get(V);var d = Yd.get(a);if (!isFunction(d)) return false;b.plugins_ = b.plugins_ || new kVContainer;if (b.plugins_.get(a)) return true;b.plugins_.set(a, new d(b, c || {}));return true;};var parseUrl = function (a) {function b(a) {var b = (a.hostname || "").split(":")[0].toLowerCase(),c = (a.protocol || "").toLowerCase(),c = 1 * a.port || ("http:" == c ? 80 : "https:" == c ? 443 : "");a = a.pathname || "";inString(a, "/") || (a = "/" + a);return [b, "" +c, a];}var c = document.createElement("a");setHref(c, document.location.href);var d = (c.protocol || "").toLowerCase(),e = b(c),g = c.search || "",ca = d + "//" + e[0] + (e[1] ? ":" + e[1] : "");inString(a, "//") ? a = d + a : inString(a, "/") ? a = ca + a : !a || inString(a, "?") ? a = ca + e[2] + (a || g) : 0 > a.split("/")[0].indexOf(":") &&(a = ca + e[2].substring(0, e[2].lastIndexOf("/")) + "/" + a);setHref(c, a);d = b(c);return {protocol: (c.protocol || "").toLowerCase(),host: d[0],port: d[1],path: d[2],G: c.search || "",url: a || ""};};var Z = {wa: function () {Z.f =[];}};Z.wa();Z.D = function (a) {var b = Z.J.apply(Z, arguments),b = Z.f.concat(b);for (Z.f =[]; 0 < b.length && !Z.v(b[0]) && !(b.shift(), 0 < Z.f.length););Z.f = Z.f.concat(b);};Z.J = function (a) {for(var b = [], c = 0; c < arguments.length; c++)try {var d = new sc(arguments[c]);if (d.g) Yd.set(d.a[0], d.a[1]);else {if (d.i) {var e = d,g = e.a[0];if (!isFunction(Yd.get(g)) && !$d.get(g)) {Zd.hasOwnProperty(g) && setMsgCode(Zd[g]);var ca = e.X;!ca && Zd.hasOwnProperty(g) ?(setMsgCode(39), ca = g + ".js") : setMsgCode(43);if (ca) {ca && 0 <= ca.indexOf("/") ||(ca = "/plugins/ua/" +ca);var l = parseUrl(ca);var e = void 0;var k = l.protocol;var w = document.location.protocol;e = "https:" == k || k == w ? true : "http:" != k ? false : "http:" == w;var xd;if (xd = e) {var e = l,be = parseUrl(document.location.href);if (e.G || 0 <= e.url.indexOf("?") || 0 <= e.path.indexOf("://")) xd = false;else if (e.host == be.host && e.port == be.port) xd = true;else {var ce = "http:" == e.protocol ? 80 : 443;xd = "localhost:25388" == e.host && (e.port || ce) == ce && inString(e.path, "/plugins/") ? true : false;}}xd && (createScript(l.url), $d.set(g, true));}}}b.push(d);}} catch (de) {//throw de;}return b;};Z.v = function (a) {try {if (a.u) a.u.call(window, $.j("t0"));else {var b = a.c == WXAnalyticsObjectName ? $: $.j(a.c);if (a.A) "t0" == a.c && $.create.apply($, a.a);else if (a.ba) $.remove(a.c);else if (b)if (a.i) {if (!tc(a.a[0], b, a.W)) return true;} else if (a.e) {var c = a.d,d = a.a,e = b.plugins_.get(a.e);e[c].apply(e, d);} else b[a.d].apply(b, a.a);}} catch (g) {//throw g;}};var $ = function (a) {setMsgCode(1);Z.D.apply(Z, [arguments]);};$.h = { };$.P =[];$.L = 0;$.answer = 42;var uc = [trackingId, cookieDomain, V];$.create = function (a) {var b = preParameters(uc, [].slice.call(arguments));b[V]|| (b[V] = "t0");var c = "" + b[V];if ($.h[c]) return $.h[c];b = new pc(b);$.h[c]= b;$.P.push(b);return b;};$.remove = function (a) {for(var b = 0; b < $.P.length; b++)if ($.P[b].get(V) == a) {$.P.splice(b, 1);$.h[a]= null;break;}};$.j = function (a) {return $.h[a];};$.K = function () {return $.P.slice(0);};$.N = function () {"wa" != WXAnalyticsObjectName && setMsgCode(49);var a = window[WXAnalyticsObjectName];if (!a || 42 != a.answer) {$.L = a && a.l;$.loaded = true;var b = window[WXAnalyticsObjectName]= $;createCommands("create", b, b.create, 3);createCommands("remove", b, b.remove);createCommands("getByName", b, b.j, 5);createCommands("getAll", b, b.K, 6);b = pc.prototype;createCommands("get", b, b.get, 7);createCommands("set", b, b.set, 4);createCommands("send", b, b.send, 2);b = settings.prototype;createCommands("get", b, b.get);createCommands("set", b, b.set);(window.waplugins = window.waplugins || { }).Linker = Dc;b = Dc.prototype;Yd.set("linker", Dc);createCommands("decorate", b, b.Q, 20);createCommands("autoLink", b, b.S, 25);//Yd.set("displayfeatures", fd);//Yd.set("adfeatures", Kd);a = a && a.q;if (isArray(a)) {Z.D.apply($, a);} else {setMsgCode(50);}}};//启动入口(function () {var a = $.N;if (!onPageIsVisibility(a)) {setMsgCode(16);var b = false;var c = function () {!b && onPageIsVisibility(a) &&(b = true, removeEvent(document, "visibilitychange", c));};addEvent(document, "visibilitychange", c);}}) ();//这个是干什么的？我不知道。function La(a) {var b = 1,c = 0,d;if (a)for (b = 0, d = a.length -1; 0 <= d; d--) {c = a.charCodeAt(d),b = (b << 0x6 & 0xFFFFFFF) +c + (c << 14),c = b & 0xFE00000,b = 0 != c ? b ^ c >> 21 : b;}return b;};}) (window);

最后说一下，谷歌代码编译工具。

http://closure-compiler.appspot.com/home

编译后，代码长度明显变短了。。。