FocusEvent: FocusEvent() constructor

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

See full compatibility

The FocusEvent() constructor returns a newly created FocusEvent object with an optional EventTarget. When the event has both a source and a destination, the relatedTarget value must be set to the other target.

Syntax

new FocusEvent(type)
new FocusEvent(type, options)

Parameters

The FocusEvent() constructor also inherits arguments from UIEvent() and from Event().

type

A string with the name of the event. It is case-sensitive and browsers set it to blur, focus, focusin, or focusout.

options Optional

An object that, in addition of the properties defined in UIEvent(), can have the following properties:

relatedTarget Optional: An EventTarget representing the secondary target of a FocusEvent. It defaults to null.

Specifications

Specification
UI Events # dom-focusevent-focusevent

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`FocusEvent()` constructor	Chrome – Full support Chrome 26 (Release date: 2013-03-26) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 24 (Release date: 2013-09-17) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 7 (Release date: 2013-10-22) footnote Full support	Chrome Android – Full support Chrome Android 26 (Release date: 2013-04-03) footnote Full support	Firefox for Android – Full support Firefox for Android 24 (Release date: 2013-09-17) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 7 (Release date: 2013-09-18) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 7 (Release date: 2013-09-18) footnote Full support

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Full support: Full support

FocusEvent: FocusEvent() constructor

Syntax

Parameters

Specifications

Browser compatibility

Legend

See also