FocusEvent

{{APIRef("UI Events")}}

The FocusEvent interface represents focus-related events, including {{domxref("Element/focus_event", "focus")}}, {{domxref("Element/blur_event", "blur")}}, {{domxref("Element/focusin_event", "focusin")}}, and {{domxref("Element/focusout_event", "focusout")}}.

{{InheritanceDiagram}}

Constructor

• {{domxref("FocusEvent.FocusEvent", "FocusEvent()")}}
  • : Creates a FocusEvent event with the given parameters.

Instance properties

This interface also inherits properties from its parent {{domxref("UIEvent")}}, and indirectly from {{domxref("Event")}}.

• {{domxref("FocusEvent.relatedTarget")}}
  • : An {{domxref("EventTarget")}} representing a secondary target for this event. In some cases (such as when tabbing in or out a page), this property may be set to null for security reasons.

Instance methods

This interface has no specific methods. It inherits methods from its parent {{domxref("UIEvent")}}, and indirectly from {{domxref("Event")}}.

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 the blur event.
3. focus: sent after element B receives focus.
4. focusin: sent after the focus event.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• The {{domxref("Event")}} base interface