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webhintio / hint

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[Hint] Pitfalls - classList.add/remove with leading "."

antross
antross commented Sep 7, 2020

I've hit this one a few times since I'm so used to writing selectors instead of plain class names. It actually adds/remove a className which includes the leading "." as part of the name which is almost never what you want. Seems like a warning/error here would be helpful as you can easily be left scratching your head about this for awhile.

E.g.

<div id="foo" class="bar">

I

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area:hint difficulty:medium good first issue hackathon
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