TheFocusEvent interface represents focus-related events, includingfocus,blur,focusin, andfocusout.

Constructor

FocusEvent()

Creates aFocusEvent event with the given parameters.

Instance properties

This interface also inherits properties from its parentUIEvent, and indirectly fromEvent.

FocusEvent.relatedTarget

AnEventTarget representing a secondary target for this event. In some cases (such as when tabbing in or out a page), this property may be set tonull for security reasons.

Instance methods

This interface has no specific methods. It inherits methods from its parentUIEvent, and indirectly fromEvent.

Order of events

When focus is shifted from element A to element B, focus events are dispatched in the following order:

1. blur: sent after element A loses focus.
2. focusout: sent after theblur event.
3. focus: sent after element B receives focus.
4. focusin: sent after thefocus event.

Specifications

Browser compatibility

See also

• TheEvent base interface