Advanced User Interface Controls and Components
Determines whether CheckBox can accept two or tri-state values.
A Boolean value. The default is false, stating that CheckBox accepts two state values: (true or false) and ('checked' or 'unchecked').
This property is accessed through 'three-state' attribute of CheckBox directive.
Supported in: v1.0.
Demonstrate the functionality of major features in AngularJS CheckBox directive.