web-platform-tests / web-platform-tests/interop
headingoffset HTML global attribute
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- Dominant language
- JavaScript
- Stars
- 524
- Forks
- 35
- Avg merge
- 1d 4h
- Merged PRs (30d)
- 10
Description
Description
The headingoffset global attribute increases the computed heading level of the heading elements inside the element it is set on, without changing the elements used to write them.
Specification
https://html.spec.whatwg.org/multipage/sections.html#heading-levels-&-offsets
web-feature
https://web-platform-dx.github.io/web-features-explorer/features/heading-offset/
Test Links
No response
Additional Signals
flagged in Chrome and Firefox and already documented in MDN
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the HTML specification section on heading levels and offsets, then compare the documented behavior in MDN and the web-features entry. Locate the relevant existing web-platform-tests for headings or global attributes. Done means coverage verifies headingoffset behavior across the cases required by the specification.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- html
- Domain
- testing, web-dev
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 58/100