Document PerformanceMark constructor #21821
Merged
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Description
This PR adds docs for the constructor of https://developer.mozilla.org/en-US/docs/Web/API/PerformanceMark.
Motivation
I'm working on openwebdocs/project#62.
Additional details
Wait, why does it have a constructor when there is
performance.mark()
? 😱When using the constructor, the mark isn't added to the browser's performance timeline!
Related issues and pull requests
No BCD PR for the
mdn_url
yet. Will file one soon. Promised.