Web/API/ShadowRoot/delegatesFocus

The delegatesFocus read-only property of the ShadowRoot interface returns a boolean that indicates whether delegatesFocus was set when the shadow was attached (see Element.attachShadow()).

Syntax

var df = shadowRoot.delegatesFocus

Value

A boolean value — true if the shadow root does delegate focus, false if it doesn't.

Examples

let customElem = document.querySelector('my-shadow-dom-element');
let shadow = customElem.shadowRoot;

  ...

// Does it delegate focus?
let hostElem = shadow.delegatesFocus;

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'delegatesFocus' in that specification.	Living Standard

Browser compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

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
delegatesFocus Experimental'	Chrome Full support 57	Edge Full support 79	Firefox ?	IE No support No	Opera ?	Safari No support No	WebView Android Full support 57	Chrome Android Full support 57	Firefox Android ?	Opera Android ?	Safari iOS No support No	Samsung Internet Android Full support 7.0

Legend

Full support  

Full support

No support  

No support

Compatibility unknown  

Compatibility unknown

Experimental. Expect behavior to change in the future.'

Experimental. Expect behavior to change in the future.

ShadowRoot.delegatesFocus by Mozilla Contributors is licensed under CC-BY-SA 2.5.