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
var focusEvent = 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.
The
FocusEventInitdictionary also accepts fields from theUIEventInitandEventInitdictionaries.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Document Object Model (DOM) Level 3 Events Specification The definition of 'FocusEvent()' in that specification. |
Obsolete | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FocusEvent() constructor | Chrome Full support Yes | Edge Full support Yes | Firefox Full support 24 | IE No support No | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 24 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android ? |
Legend
- Full support Ā
- Full support
- No support Ā
- No support
- Compatibility unknown Ā
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
See also
- The
FocusEventinterface it belongs to.