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()
Syntax
new FocusEvent(typeArg); new FocusEvent(typeArg, focusEventInit);
Properties
The FocusEvent() constructor also inherits arguments from UIEvent() and from Event().
-
typeArg -
Is a
DOMStringrepresenting the name of the event. -
focusEventInitOptional -
Is a
FocusEventInitdictionary, having the following fields:-
"relatedTarget", optional and defaulting tonull, is anEventTargetrepresenting the secondary target of aFocusEvent.
Note: The
FocusEventInitdictionary also accepts fields from theUIEventInitandEventInitdictionaries. -
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
