code: function halt() {
      if ( !_isAnimating ) { return; }
      _dom.style.webkitTransitionDuration = '0';
      _dom.style.mozTransitionDuration = '0';
      _dom.style.oTransitionDuration = '0';
      _dom.style.transitionDuration = '0';
      _dom.removeEventListener( _transitionEndEvent,
                                _transitionCompleteBinded );
      _transitionCompleteBinded();
      _dom.style.webkitTransitionDuration = '';
      _dom.style.mozTransitionDuration = '';
      _dom.style.oTransitionDuration = '';
      _dom.style.transitionDuration = '';
    }
docs: Halt an in-progress animation and call the complete event immediately.