[As explained by Jens Oliver Meiert, HTML contains exactly 26 boolean attributes](https://meiert.com/en/blog/boolean-attributes-of-html/). Such attributes should not contain a `false` value since their presence makes them `true`. In other words, `[hidden="false"]` is a nonsense and devs should be warned about.
As explained by Jens Oliver Meiert, HTML contains exactly 26 boolean attributes. Such attributes should not contain a
falsevalue since their presence makes themtrue.In other words,
[hidden="false"]is a nonsense and devs should be warned about.