Element: focusin event
{{APIRef("UI Events")}}
The focusin event fires when an element has received focus, after the {{domxref("Element/focus_event", "focus")}} event. The two events differ in that focusin bubbles, while focus does not.
The opposite of focusin is the {{domxref("Element/focusout_event", "focusout")}} event, which fires when the element has lost focus.
The focusin event is not cancelable.
Syntax
Use the event name in methods like {{domxref("EventTarget.addEventListener", "addEventListener()")}} , or set an event handler property.
addEventListener("focusin", (event) => { })
onfocusin = (event) => { }
Event type
A {{domxref("FocusEvent")}} . Inherits from {{domxref("UIEvent")}} and {{domxref("Event")}} .
{{InheritanceDiagram("FocusEvent")}}
Event properties
This interface also inherits properties from its parent {{domxref("UIEvent")}} , and indirectly from {{domxref("Event")}} .
{{domxref("FocusEvent.relatedTarget")}}- : The element losing focus, if any.
Examples
Live example
HTML
<form id="form">
<label>
Some text:
<input type="text" placeholder="text input" />
</label>
<label>
Password:
<input type="password" placeholder="password" />
</label>
</form>
JavaScript
const form = document.getElementById("form");
form.addEventListener("focusin", (event) => {
event.target.style.background = "pink";
});
form.addEventListener("focusout", (event) => {
event.target.style.background = "";
});
Result
{{EmbedLiveSample("Live_example", '100%', '50px')}}
Specifications
{{Specifications}}
[!NOTE] The UI Events specification describes an order of focus events that’s different from what current browsers implement.
Browser compatibility
{{Compat}}
See also
- Related events:
{{domxref("Element/blur_event", "blur")}},{{domxref("Element/focus_event", "focus")}},{{domxref("Element/focusout_event", "focusout")}} - Focusing: focus/blur