exportparts attribute

[LeaVerou]

Code sample

<!-- In Shadow DOM: -->
<img-input exportparts="dropzone: img-input-dropzone"></img-input>

MDN URL:

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

Specification URL:

https://drafts.csswg.org/css-shadow-parts/#element-attrdef-html-global-exportparts

Any other links?

Can I Use

How stable is this feature?

Stable (Widely supported for several years)

Type of feature

HTML attribute

What focus area does this feature fall into?

Consuming Web Components, Making Web Components

Details

Export parts of Shadow DOM components as parts of the consuming component so they can be styled by authors of that via ::part().