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.
FocusEvent: FocusEvent() constructor
Syntax
js
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, orfocusout. optionsOptional-
An object that, in addition of the properties defined in
UIEvent(), can have the following properties:-
An
EventTargetrepresenting the secondary target of aFocusEvent. It defaults tonull.
-
Specifications
| Specification |
|---|
| UI Events # dom-focusevent-focusevent |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
FocusEvent |
26 | 12 | 24 | No | 15 | 7 | 4.4 | 26 | 24 | 14 | 7 | 1.5 |
See also
- The
FocusEventinterface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/FocusEvent/FocusEvent