Comment Comment by mrsalt Here's an old thread about this: https://news.ycombinator.com/item?id=21244440It's obvious when you the Page Visibility API original editors/authors: https://www.w3.org/TR/page-visibility-2/ parent mrsalt 5 years ago
It's obvious when you the Page Visibility API original editors/authors: https://www.w3.org/TR/page-visibility-2/