Web/HTML/Global attributes/part

The part global attribute contains a space-separated list of the part names of the element. Part names allows CSS to select and style specific elements in a shadow tree via the ::part pseudo-element.

See our [[../../../../../../../mdn.github.io/web-components-examples/shadow-part/index|Shadow part example]] for a usage example.

Specifications

Specification	Status	Comment
Shadow PartsThe definition of 'part' in that specification.	Working Draft

Browser compatibility

The compatibility table on 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
part Experimental'	Chrome Full support 73	Edge Full support 79	Firefox Full support 72 Full support 72 No support 69 — 72 Disabled' Disabled' From version 69 until version 72 (exclusive): this feature is behind the layout.css.shadow-parts.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.	IE No support No	Opera Full support 60	Safari Full support 13.1	WebView Android Full support 73	Chrome Android Full support 73	Firefox Android No support No	Opera Android ?	Safari iOS Full support 13.4	Samsung Internet Android No support No

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.

User must explicitly enable this feature.'

User must explicitly enable this feature.

See also

• All global attributes.

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