detect.coffee

define ->
  class Detect
    ios: ->
      if @ipad() or @ipod()
        # supports iOS 2.0 and later: <http://bit.ly/TJjs1V>
        v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/)
        return [true, parseInt(v[1], 10), parseInt(v[2], 10), parseInt(v[3] || 0, 10)]
      else
        return [false]

    ipad: ->
      /iPad/.test(navigator.platform)

    ipod: ->
      /iP(hone|od)/.test(navigator.platform)

    orientation: ->
      if Math.abs(window.orientation) is 90 then 'landscape' else 'portrait'

    retina: ->
      window.devicePixelRatio > 1

    standalone: ->
      Boolean navigator.standalone

detect.min.js

(function(){define(function(){var d;return d=function(){function d(){}return d.prototype.ios=function(){var v;return this.ipad()||this.ipod()?(v=navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/),[!0,parseInt(v[1],10),parseInt(v[2],10),parseInt(v[3]||0,10)]):[!1]},d.prototype.ipad=function(){return/iPad/.test(navigator.platform)},d.prototype.ipod=function(){return/iP(hone|od)/.test(navigator.platform)},d.prototype.orientation=function(){return Math.abs(window.orientation)===90?"landscape":"portrait"},d.prototype.retina=function(){return window.devicePixelRatio>1},d.prototype.standalone=function(){return Boolean(navigator.standalone)},d}()})}).call(this);