text: //     Zepto.js
  //     (c) 2010-2014 Thomas Fuchs
  //     Zepto.js may be freely distributed under the MIT license.
  
  ;(function($){
    function detect(ua, platform){
      var os = this.os = {}, browser = this.browser = {},
        webkit = ua.match(/Web[kK]it[\/]{0,1}([\d.]+)/),
        android = ua.match(/(Android);?[\s\/]+([\d.]+)?/),
        osx = !!ua.match(/\(Macintosh\; Intel /),
        ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
        ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/),
        iphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/),
        webos = ua.match(/(webOS|hpwOS)[\s\/]([\d.]+)/),
        win = /Win\d{2}|Windows/.test(platform),
        wp = ua.match(/Windows Phone ([\d.]+)/),
        touchpad = webos && ua.match(/TouchPad/),
        kindle = ua.match(/Kindle\/([\d.]+)/),
        silk = ua.match(/Silk\/([\d._]+)/),
        blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/),
        bb10 = ua.match(/(BB10).*Version\/([\d.]+)/),
        rimtabletos = ua.match(/(RIM\sTablet\sOS)\s([\d.]+)/),
        playbook = ua.match(/PlayBook/),
        chrome = ua.match(/Chrome\/([\d.]+)/) || ua.match(/CriOS\/([\d.]+)/),
        firefox = ua.match(/Firefox\/([\d.]+)/),
        firefoxos = ua.match(/\((?:Mobile|Tablet); rv:([\d.]+)\).*Firefox\/[\d.]+/),
        ie = ua.match(/MSIE\s([\d.]+)/) || ua.match(/Trident\/[\d](?=[^\?]+).*rv:([0-9.].)/),
        webview = !chrome && ua.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/),
        safari = webview || ua.match(/Version\/([\d.]+)([^S](Safari)|[^M]*(Mobile)[^S]*(Safari))/)
  
      // Todo: clean this up with a better OS/browser seperation:
      // - discern (more) between multiple browsers on android
      // - decide if kindle fire in silk mode is android or not
      // - Firefox on Android doesn't specify the Android version
      // - possibly devide in os, device and browser hashes
  
      if (browser.webkit = !!webkit) browser.version = webkit[1]
  
      if (android) os.android = true, os.version = android[2]
      if (iphone && !ipod) os.ios = os.iphone = true, os.version = iphone[2].replace(/_/g, '.')
      if (ipad) os.ios = os.ipad = true, os.version = ipad[2].replace(/_/g, '.')
      if (ipod) os.ios = os.ipod = true, os.version = ipod[3] ? ipod[3].replace(/_/g, '.') : null
      if (wp) os.wp = true, os.version = wp[1]
      if (webos) os.webos = true, os.version = webos[2]
      if (touchpad) os.touchpad = true
      if (blackberry) os.blackberry = true, os.version = blackberry[2]
      if (bb10) os.bb10 = true, os.version = bb10[2]
      if (rimtabletos) os.rimtabletos = true, os.version = rimtabletos[2]
      if (playbook) browser.playbook = true
      if (kindle) os.kindle = true, os.version = kindle[1]
      if (silk) browser.silk = true, browser.version = silk[1]
      if (!silk && os.android && ua.match(/Kindle Fire/)) browser.silk = true
      if (chrome) browser.chrome = true, browser.version = chrome[1]
      if (firefox) browser.firefox = true, browser.version = firefox[1]
      if (firefoxos) os.firefoxos = true, os.version = firefoxos[1]
      if (ie) browser.ie = true, browser.version = ie[1]
      if (safari && (osx || os.ios || win)) {
        browser.safari = true
        if (!os.ios) browser.version = safari[1]
      }
      if (webview) browser.webview = true
  
      os.tablet = !!(ipad || playbook || (android && !ua.match(/Mobile/)) ||
        (firefox && ua.match(/Tablet/)) || (ie && !ua.match(/Phone/) && ua.match(/Touch/)))
      os.phone  = !!(!os.tablet && !os.ipod && (android || iphone || webos || blackberry || bb10 ||
        (chrome && ua.match(/Android/)) || (chrome && ua.match(/CriOS\/([\d.]+)/)) ||
        (firefox && ua.match(/Mobile/)) || (ie && ua.match(/Touch/))))
    }
  
    detect.call($, navigator.userAgent, navigator.platform)
    // make available to unit tests
    $.__detect = detect
  
  })(Zepto)
  