code: function(v) {
  				var pt = this._firstNumPT,
  					val;
  				this._super.setRatio.call(this, v);
  				while (pt) {
  					val = _parseColor(this._proxy[pt.p], false);
  					val = val[0] << 16 | val[1] << 8 | val[2];
  					if (pt.f) {
  						this._target[pt.p](val);
  					} else {
  						this._target[pt.p] = val;
  					}
  					pt = pt._next;
  				}
  			}
docs: called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)