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
DOMString
representing the name of the event. focusEventInit
Optional- Is a
FocusEventInit
dictionary, having the following fields:"relatedTarget"
, optional and defaulting tonull
, is anEventTarget
representing the secondary target of aFocusEvent
.
The
FocusEventInit
dictionary also accepts fields from theUIEventInit
andEventInit
dictionaries.
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.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
FocusEvent() constructor | Chrome Full support Yes | Edge Full support ≤18 | 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 Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
See also
- The
FocusEvent
interface it belongs to.