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slot (attribute)

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The slot global attribute assigns a slot in a shadow DOM shadow tree to an element: An element with a slot attribute is assigned to the slot created by the <slot> element whose name attribute's value matches that slot attribute's value.

For examples, see our Using templates and slots guide.

Specifications

Specification	Status	Comment
HTML Living Standard The definition of 'slot attribute' in that specification.	Living Standard
DOM The definition of 'slot attribute' in that specification.	Living Standard

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	53	?	63 63 59 Disabled Disabled From version 59: this feature is behind the `dom.webcomponents.shadowdom.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. ? — 59 Disabled Disabled Until version 59 (exclusive): this feature is behind the `dom.webcomponents.enabled` preference (needs to be set to `true`) and the `dom.webcomponents.shadowdom.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	?	40	10 Prefixed 10 Prefixed Prefixed Requires the vendor prefix: -webkit-

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	53	53	?	63 63 59 Disabled Disabled From version 59: this feature is behind the `dom.webcomponents.shadowdom.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. ? — 59 Disabled Disabled Until version 59 (exclusive): this feature is behind the `dom.webcomponents.enabled` preference (needs to be set to `true`) and the `dom.webcomponents.shadowdom.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	40	10.1	6.0

slot (attribute)

Specifications

Browser compatibilityUpdate compatibility data on GitHub

See also