FocusEvent

open class FocusEvent(val type: EventType<FocusEvent>, init: FocusEventInit = definedExternally) : UIEvent(source)

The FocusEvent interface represents focus-related events, including Element/focus_event, Element/blur_event, Element/focusin_event, and Element/focusout_event.

MDN Reference

Constructors

FocusEvent

constructor(type: EventType<FocusEvent>, init: FocusEventInit = definedExternally)

Types

Companion

object Companion

Properties

AT_TARGET

val AT_TARGET: EventPhase

bubbles

val bubbles: Boolean

BUBBLING_PHASE

val BUBBLING_PHASE: EventPhase

cancelable

val cancelable: Boolean

CAPTURING_PHASE

val CAPTURING_PHASE: EventPhase

composed

val composed: Boolean

currentTarget

val currentTarget: EventTarget?

defaultPrevented

val defaultPrevented: Boolean

detail

val detail: Int

The UIEvent.detail read-only property, when non-zero, provides the current (or next, depending on the event) click count.

eventPhase

val eventPhase: EventPhase

isTrusted

val isTrusted: Boolean

NONE

val NONE: EventPhase

relatedTarget

val relatedTarget: EventTarget?

The relatedTarget read-only property of the FocusEvent interface is the secondary target, depending on the type of event:

Event name	`target`	`relatedTarget`
Element/blur_event	The EventTarget losing focus	The EventTarget receiving focus (if any).
Element/focus_event	The EventTarget receiving focus	The EventTarget losing focus (if any)
Element/focusin_event	The EventTarget receiving focus	The EventTarget losing focus (if any)
Element/focusout_event	The EventTarget losing focus	The EventTarget receiving focus (if any)