Limited Availability HTML

Heading offset

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.

Baseline Status: This feature is currently Limited and is missing in at least one major browser engine.

Desktop Browser Engine Support

Google Chrome

—

Unsupported

Mozilla Firefox

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Unsupported

Apple Safari

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Unsupported

Microsoft Edge

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Unsupported

Mobile Browser Engine Support

Chrome Android

—

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.HTMLElement.headingOffset ↗ api.HTMLElement.headingReset ↗ html.global_attributes.headingoffset ↗ html.global_attributes.headingreset ↗