Web/API/FocusEvent

The FocusEvent interface represents focus-related events, including focus, blur, focusin, and focusout.

  <div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 11.666666666666666%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 70" preserveAspectRatio="xMinYMin meet"><a xlink:href="https://developer.mozilla.org/en-US/docs/Web/API/Event" target="_top"><rect x="1" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="38.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Event</text></a><polyline points="76,25  86,20  86,30  76,25" stroke="#D4DDE4" fill="none"/><line x1="86" y1="25" x2="116" y2="25" stroke="#D4DDE4"/><a xlink:href="https://developer.mozilla.org/en-US/docs/Web/API/UIEvent" target="_top"><rect x="116" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="153.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">UIEvent</text></a><polyline points="191,25  201,20  201,30  191,25" stroke="#D4DDE4" fill="none"/><line x1="201" y1="25" x2="231" y2="25" stroke="#D4DDE4"/><a xlink:href="https://developer.mozilla.org/en-US/docs/Web/API/FocusEvent" target="_top"><rect x="231" y="1" width="100" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="281" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">FocusEvent</text></a></svg></div>

  a:hover text { fill: #0095DD; pointer-events: all;}

Constructor

FocusEvent(): Creates a FocusEvent event with the given parameters.

Properties

This interface also inherits properties from its parent UIEvent, and indirectly from Event.

FocusEvent.relatedTarget: Is an 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.

Methods

This interface has no specific methods. It inherits methods from its parent UIEvent, and indirectly from Event.

Specifications

Specification	Status	Comment
UI EventsThe definition of 'FocusEvent' in that specification.	Working Draft
Document Object Model (DOM) Level 3 Events SpecificationThe definition of 'FocusEvent' in that specification.	Obsolete	Initial definition.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`FocusEvent` Experimental'	Chrome Full support Yes	Edge Full support 12	Firefox Full support 24	IE Full support 9	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 24	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes
`FocusEvent()` constructor Experimental'	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support 24	IE No support No	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 24	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes
`relatedTarget` Experimental'	Chrome Full support Yes	Edge Full support 12	Firefox Full support 48	IE Full support 9	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 48	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes

Legend

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.': Experimental. Expect behavior to change in the future.