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part HTML global attribute

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2020.

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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 the exportparts attribute for a usage example.

Specifications

Specification
CSS Shadow Module Level 1>
# part-attr>

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
part 73 79 72 60 13.1 73 79 52 13.4 11.0 73 13.4

See also

  • exportparts HTML attribute
  • <template> and <slot> HTML elements
  • ::part and ::slotted CSS pseudo-elements
  • ShadowRoot interface
  • Element.part property
  • Using templates and slots
  • CSS scoping module

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https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Global_attributes/part

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