Web features explorer - Heading offset

Web features explorer

The headingoffset HTML attribute offsets the heading level of descendant <h1>–<h6> elements. The headingreset HTML attribute prevents heading offset computation from traversing beyond the element.

Browser support

Chrome Not supported Bugs: 333628468
Chrome Android Not supported Bugs: 333628468
Edge Not supported Bugs: 333628468
Firefox Not supported Bugs: 2044348 1974383
Firefox for Android Not supported
Safari Not supported
Safari on iOS Not supported

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MDN documentation

No MDN documentation found. You can search for the feature on MDN. If you believe that MDN has no documentation about this feature, you can open an issue on MDN's GitHub repository.

Specifications

HTML (#heading-levels-&-offsets), from HTML Workstream (WHATWG).

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