docs: function () {
  			timeLapsed += 16;
  			percentage = ( timeLapsed / speed );
  			percentage = ( percentage > 1 ) ? 1 : percentage;
  			position = startLocation + ( distance * _easingPattern(easing, percentage) );
  			window.scrollTo( 0, Math.floor(position) );
  			_stopAnimateScroll(position, endLocation, animationInterval);
  		}