Plugin to make plotted points dragable by the user.
| $.jqplot. | Plugin to make plotted points dragable by the user. | 
| Properties | |
| color | CSS color spec for the dragged point (and adjacent line segment or bar). | 
| constrainTo | Constrain dragging motion to an axis or to none. | 
CSS color spec for the dragged point (and adjacent line segment or bar).
this.color 
Constrain dragging motion to an axis or to none.
this.constrainTo = 'none'