This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
The FocusEvent
interface represents focus-related events like focus
, blur
, focusin
, or focusout
.
Constructor
FocusEvent()
- Creates a
FocusEvent
event with the given parameters.
Properties
Inherits properties from its parent UIEvent
, and indirectly from Event
.
FocusEvent.relatedTarget
Read only- Is an
EventTarget
representing a secondary target for this event. As in some cases (like when tabbing in or out a page), this property may be set tonull
for security reasons.
Methods
No specific method; inherits methods from its parent UIEvent
, and indirectly from Event
.
Specifications
Specification | Status | Comment |
---|---|---|
Document Object Model (DOM) Level 3 Events Specification The definition of 'FocusEvent' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | 24.0 (24.0) | 9.0 | (Yes) | (Yes) |
Constructor | (Yes) | 24.0 (24.0) | Not supported | (Yes) | (Yes) |
Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | (Yes) | 24.0 (24.0) | (Yes) | (Yes) | (Yes) |
Constructor | (Yes) | 24.0 (24.0) | Not supported | (Yes) | (Yes) |
See also
- The
Event
base interface.