@microsoft/fast-foundation > Listbox

Listbox class

A Listbox Custom HTML Element. Implements the ARIA listbox.

• The default slot for the listbox options

Signature:

export declare abstract class Listbox extends FoundationElement 

Properties

Property	Modifiers	Type	Description
disabled		boolean	The disabled state of the listbox.
length		number	The number of options.
options		ListboxOption[]	The list of options.
selectedIndex		number	The index of the selected option.
selectedOptions		ListboxOption[]	A collection of the selected options.
slottedOptionFilter	static	(n: HTMLElement) => boolean	A static filter to include only selectable options.

Methods

Method	Modifiers	Description
selectFirstOption()		Moves focus to the first selectable option.
setSelectedOptions()		Sets an option as selected and gives it focus.