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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.