JavaScript to get client information such as browser type and operating system version common code _javascript tips

/** * @author hechen/var GS = {/** get screen width **/screenwidth:function () {return window.screen.width;
  /*** Get screen height **/screenheight:function () {return window.screen.height;
    /** gets the browser ***/browse:function () {var browser = {};
    var useragent = Navigator.userAgent.toLowerCase ();
    var s; (s = Useragent.match (/msie) ([\d.] +)/)) ? browser.ie = S[1]: (s = Useragent.match (/firefox\/([\d.] +)/)) ? Browser.firefox = S[1]: (s = Useragent.match (/chrome\/([\d.] +)/)) ? Browser.chrome = S[1]: (s = Useragent.match (/opera. ( [\d.] +)/)) ? Browser.opera = S[1]: (s = Useragent.match (/version\/([\d.] +). *safari/)?
    Browser.safari = S[1]: 0;
    var version = "";
    if (browser.ie) {version = ' ie ' + browser.ie;
      else {if (browser.firefox) {version = ' Firefox ' + Browser.firefox;
        else {if (browser.chrome) {version = ' chrome ' + browser.chrome; } else {if (browser.operA) {version = ' opera ' + Browser.opera;
            else {if (Browser.safari) {version = ' safari ' + Browser.safari;
            else {version = ' unknown browser ';
  }}} return version;
    /** obtains the operating system ***/clientos:function () {var suseragent = navigator.useragent; var Iswin = (Navigator.platform = = "Win32") | |
    (Navigator.platform = = "Windows"); var Ismac = (Navigator.platform = = "mac68k") | | (Navigator.platform = = "MacPPC") | | (Navigator.platform = "Macintosh") | |
    (Navigator.platform = = "Macintel");
    if (ISMAC) return "Mac";
    var Isunix = (Navigator.platform = = "X11") &&!iswin &&!ismac;
    if (Isunix) return "Unix";
    var islinux = (String (navigator.platform). IndexOf ("Linux") >-1);
    if (islinux) return "Linux"; if (Iswin) {var iswin2k = Suseragent.indexof ("Windows NT 5.0") >-1 | | suserAgent.indexof ("Windows C") >-1;
      if (iswin2k) return "Win2000"; var iswinxp = Suseragent.indexof ("Windows NT 5.1") >-1 | |
      Suseragent.indexof ("Windows XP") >-1;
      if (ISWINXP) return "WinXP"; var isWin2003 = Suseragent.indexof ("Windows NT 5.2") >-1 | |
      Suseragent.indexof ("Windows 2003") >-1;
      if (isWin2003) return "Win2003"; var Iswinvista = Suseragent.indexof ("Windows NT 6.0") >-1 | |
      Suseragent.indexof ("Windows Vista") >-1;
      if (Iswinvista) return "WinVista"; var isWin7 = Suseragent.indexof ("Windows NT 6.1") >-1 | |
      Suseragent.indexof ("Windows 7") >-1;
    if (isWin7) return "Win7";
  Return to "other";
    /**** obtains client id****/clientid:function (name) {var cookies = Document.cookie.split (";");
    var value = "";
      for (var i = 0; i < cookies.length i++) {var temp = cookies[i].split ("="); var tempvalue = temp[0].replace (/(^\s*) | ( \s*$)/g, "");
        if (Tempvalue = = name) {value = Unescape (temp[1]);
      Break
  } return value;
    /**** obtains the product id****/searchgid:function () {var url = window.location.href;
    var value = ""; if (url!= undefined && url!= "") {Url.replace (/-\d+-/, function (A, B, c) {if (a!= undefined &A
        mp;& a!= "" && a.length > 2) {value = a.substring (1, a.length-1);
    }
      });
  return value;
    /**** get the site search keyword ****/searchkey:function () {var url = window.location.href;
    var value = ""; if (url!= undefined && url!= "") {Url.replace (/[=].*/, function (A, B, c) {if (a!= undefined &A
        mp;& a!= "" && a.length > 1) {value = a.substring (1);
    }
      });
  return value;
    /** Gets the product category search number **/searchcategory:function () {var url = window.location.href;
    var value = ""; if (url!= undefined &AMP;&Amp URL!= "") {Url.replace (/-\d+/, function (A, B, c) {if (a!= undefined && a!= "" && A.len
        Gth > 1) {value = a.substring (1);
    }
      });
  return value;
    /**** outside the site search Google Baidu *****/searchsite:function (type) {var referrer = Document.referrer; if (referrer!= undefined && referrer!= "") {if ("Google" = type) {url.replace (New RegExp (?: ^| /?| &) q= ([^&]*) (?: &|$)), function (A, B, c) {if (this._ch!= undefined && a!= undefined &
            & a.length > 0) {a = A.substring (A.indexof ("=") + 1, a.length-1);
          return A;
      }
        }); else if ("baidu" = = Type) {url.replace (RegExp: ^| /?| &) wd= ([^&]*) (?: &|$)), function (A, B, c) {if (this._ch!= undefined && a!= undefined
       ;& a.length > 0) {a = A.substring (A.indexof ("=") + 1, a.length-1);     return A;
      }
        }); else if ("sogou" = = Type) {url.replace (?: ^| /?| &) query= ([^&]*) (?: &|$)), function (A, B, c) {if (this._ch!= undefined && a!= undefined &
            amp;& a.length > 0) {a = A.substring (A.indexof ("=") + 1, a.length-1);
          return A;
      }
        }); else if ("bing" = = type) {url.replace (RegExp: ^| /?| &) q= ([^&]*) (?: &|$)), function (A, B, c) {if (this._ch!= undefined && a!= undefined &
            & a.length > 0) {a = A.substring (A.indexof ("=") + 1, a.length-1);
          return A;
      }
        });
  } return "";  /****** inserts a value into the array *********/pushvalue:function (key, value) {if (this._ch!= undefined) {This._ch[key] =
    Value
    /*** the custom parameter **/param:function (value) {if (this._ch!= undefined) {this._ch["_ps"] = value; }
  },
  /*Submit data to the background **********/postdata:function () {$.ajax ({url: "http://localhost:28482/Ajax/StatActions.aspx?t=
  "+ math.random (), type:" Post ", Data:this._ch, Success:function (data) {}});
    },/*** initializes **/init:function () {if (this._ch!= undefined) {this._ch = undefined;
    } this._ch = {};
    if (this._reg!= undefined) {this._reg = undefined;
    ///Initialize regular expression matching URL This._reg = new Array ();
    This._reg[0] = "http://www.google.com.hk (. *)";
    THIS._REG[1] = "http://www.baidu.com (. *)";
    THIS._REG[2] = "http://www.sogou.com (. *)";

    THIS._REG[3] = "http://cn.bing.com (. *)";
    Parse URL parameter var hosturl = window.location.href; if (hosturl!= undefined && hosturl!= "") {if (new RegExp (this._reg[4)). Test (Hosturl)) {This._c h["_gid"] = this.
      Searchgid ();
    else if ((New RegExp (this._reg[7)). Test (Hosturl)) {} else if ((New RegExp (this._reg[5)). Test (Hosturl)) {    this._ch["_cid"] = this.
      Searchcategory (); else if ((New RegExp (this._reg[6)). Test (Hosturl)) {this._ch["_key"] = this.
      Searchkey ();
    } this._ch["_tu"] = Hosturl;
    var referrer = Document.referrer; if (referrer!= undefined && referrer!= "") {if (new RegExp (this._reg[0)). Test (referrer)) {This . _ch["_key"] = this.
      SearchSite ("Google"); else if ((New RegExp (this._reg[1)). Test (referrer)) {this._ch["_key"] = this.
      SearchSite ("Baidu"); else if ((New RegExp (this._reg[2)). Test (referrer)) {this._ch["_key"] = this.
      SearchSite ("Sogou"); else if ((New RegExp (this._reg[3)). Test (referrer)) {this._ch["_key"] = this.
      SearchSite ("Bing");
    } this._ch["_su"] = referrer; //Get client-related information this._ch["_SW"] = this.
    ScreenWidth (); this._ch["_sh"] = this.
    ScreenHeight (); this._ch["_BW"] = this.
    Browse (); this._ch["_cs"] = this.
    Clientos (); this._ch["_mid"] = thIs.
    ClientID ("From_channelid"); this._ch["_ctid"] = this.

  ClientID ("Clientkey"); }, _ch:undefined, _reg:undefined

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