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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage 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 specification changes.
The FocusEvent interface represents focus-related events like focus, blur, focusin, or focusout.
Constructor
FocusEvent()- Creates a
FocusEventevent with the given parameters.
Properties
Inherits properties from its parent UIEvent, and indirectly from Event.
FocusEvent.relatedTargetRead only- Is an
EventTargetrepresenting a secondary target for this event. As in some cases (like when tabbing in or out a page), this property may be set tonullfor 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) | No support | (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) | No support | (Yes) | (Yes) |
See also
- The
Eventbase interface.