Web platform features explorer - Shadow parts

Web platform features explorer

Tags: api css html Groups: CSS > Selectors Web Components

The part and exportparts HTML attributes expose elements of a shadow DOM as named parts, which can be selected by the ::part() CSS pseudo-element for styling.

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Specifications

CSS Shadow Parts, from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support

Chrome 73 Released on 2019-03-12
Chrome Android 73 Released on 2019-03-12
Edge 79 Released on 2020-01-15
Firefox 72 Released on 2020-01-07
Firefox for Android 79 Released on 2020-07-28
Safari 13.1 Released on 2020-03-24
Safari on iOS 13.4 Released on 2020-03-24

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