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Fix a JS issue when the anchor element on a page has no container
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Authored by epriestley on May 4 2020, 10:50 PM.

Details

Summary

See D21213. If there's no matching element, findAbove() throws. Handle these cases correctly.

Test Plan

Visited #toc on a revision, no longer saw a JS error.

Diff Detail

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Event Timeline

This revision was not accepted when it landed; it landed in state Needs Review.May 4 2020, 10:57 PM
This revision was automatically updated to reflect the committed changes.