+ 1;
      }
      node.addEventListener(evType, handler);
      if (recognizer.touchAction) {
        this.setTouchAction(node, recognizer.touchAction);
      }
    },

    /**
     * automate event listener removal for native events
     *
     * @private
     * @param {HTMLElement} node Node on which to remove the event.
     * @param {string} evType Event type to remove.
     * @param {function} handler Event handler function.
     */
    _remove: function(node, evType, handler) {
      let recognizer =