code: function() {
        var userAgent                   = this.USER_AGENT.toLowerCase(),
            // Essential for making html elements editable
            hasContentEditableSupport   = "contentEditable" in testElement,
            // Following methods are needed in order to interact with the contentEditable area
            hasEditingApiSupport        = document.execCommand && document.queryCommandSupported && document.queryCommandState,
            // document selector apis are only supported by IE 8+, Safari 4+, Chrome and Firefox 3.5+
            hasQuerySelectorSupport     = document.querySelector && document.querySelectorAll,
            // contentEditable is unusable in mobile browsers (tested iOS 4.2.2, Android 2.2, Opera Mobile, WebOS 3.05)
            isIncompatibleMobileBrowser = (this.isIos() && iosVersion(userAgent) < 5) || (this.isAndroid() && androidVersion(userAgent) < 4) || userAgent.indexOf("opera mobi") !== -1 || userAgent.indexOf("hpwos/") !== -1;
        return hasContentEditableSupport
          && hasEditingApiSupport
          && hasQuerySelectorSupport
          && !isIncompatibleMobileBrowser;
      }
docs: Exclude browsers that are not capable of displaying and handling
  contentEditable as desired:
  - iPhone, iPad (tested iOS 4.2.2) and Android (tested 2.2) refuse to make contentEditables focusable
  - IE < 8 create invalid markup and crash randomly from time to time
  
  @return {Boolean}