CollapsedMixin
Provides functionality for elements that can be collapsed. Learn more.
Guides
Additional information about this section
Properties
Store values associated with an object
- collapsed
Indicates if the element is collapsed or expanded.
Functions
Perform actions on an object
- collapse( )
Collapses the element and sets its collapsed property to true.
- expand( )
Expands the element and sets its collapsed property to false.