OS and Browser detector

ClientInfo.js

function ClientInfo(){
  this.windows = false;
  this.linux = false;
  this.osx = false;
  this.osArch = {
    x86: false,
    x64: false,
    PowerPC: false
  };
  this.osVersion = {
    w2000: false,
    wxp: false,
    wvista: false,
    w7: false,
    w8: false,
    w81: false,
    w10: false,
  };

  this.ie = false;
  this.chrome = false;
  this.firefox = false;
  this.opera = false;
  this.safari = false;
  this.chromium = false;

  this.browserVersion = -1;

  var systemStr = navigator.userAgent;

  //Detenct OS
  this.windows = (systemStr.indexOf('Windows NT') !== -1);
  this.linux = (systemStr.indexOf('Linux') !== -1);
  this.osx = (systemStr.indexOf('Max OS') !== -1);


  if (this.windows){
    //Detect Windows version
    this.osVersion.w2000 = (systemStr.indexOf('Windows NT 5.0') !== -1);
    this.osVersion.wxp = (systemStr.indexOf('Windows NT 5.1') !== -1);
    this.osVersion.wvista = (systemStr.indexOf('Windows NT 6.0') !== -1);
    this.osVersion.w7 = (systemStr.indexOf('Windows NT 6.1') !== -1);
    this.osVersion.w8 = (systemStr.indexOf('Windows NT 6.2') !== -1);
    this.osVersion.w81 = (systemStr.indexOf('Windows NT 6.3') !== -1);
    this.osVersion.w10 = (systemStr.indexOf('Windows NT 10') !== -1);

    //Detect Windows Architecture
    this.osArch.x86 = (systemStr.indexOf('Win64') === -1 && systemStr.indexOf('x64') === -1 && systemStr.indexOf('WOW64') === -1);
    this.osArch.x64 = (systemStr.indexOf('Win64') !== -1 || systemStr.indexOf('x64') !== -1 || systemStr.indexOf('WOW64') !== -1);
  }

  if (this.linux) {
    //Detect Windows Architecture
    this.osArch.x86 = (systemStr.indexOf('i686') !== -1);
    this.osArch.x64 = (systemStr.indexOf('x86_64') !== -1);
  }

  if (this.osx) {
    //Detect Windows Architecture
    this.osArch.PowerPC = (systemStr.indexOf('PPC Mac OS') !== -1);
  }

  //Detect browser
  this.firefox = (systemStr.indexOf('Firefox/') !== -1 && systemStr.indexOf('Seamonkey/') === -1);
  this.chrome = (systemStr.indexOf('Chrome/') !== -1 && systemStr.indexOf('Chromium/') === -1);
  this.chromium = (systemStr.indexOf('Chromium/') !== -1);
  this.safari = (systemStr.indexOf('Safari/') !== -1 && systemStr.indexOf('Chromium/') === -1 && systemStr.indexOf('Chrome/') === -1);
  this.safari = (systemStr.indexOf('OPR/') !== -1 || systemStr.indexOf('Opera/') !== -1);
  this.ie = (systemStr.indexOf('MSIE') !== -1 || (systemStr.indexOf('Trident/') !== -1 && systemStr.indexOf('rv:') !== -1));

  //Detect browser version
  this.browserVersion = getVersion(systemStr);
  if (this.browserVersion != -1 ){
    if (this.browserVersion.split('.').length > 0){
      this.browserVersion = Number(this.browserVersion.split('.')[0] + '.' + this.browserVersion.split('.')[1]);
    }else{
      this.browserVersion = Number(this.browserVersion);
    }
  }

  function getVersion(ua){
    return /(OPR\/|Opera\/|Chrome\/|Firefox\/|Chromium\/|Safari\/|MSIE |rv:).*?(?=$| |;|\n|\))/.exec(ua)[0].replace(' ', ':').replace('/', ':').split(':')[1];
  }

  return this;
}
console.log(new ClientInfo());