Hy everyone, when they say that a certain tag like marquee is nologer suported in html5 what are the implictions

Question

Coz recently i used it and it worked so whats going on

Answer 1

Especially in context of web development tools are usually very downwards compatible. So you don't have to afraid, because browsers will still support the deprecated stuff at least for a long while. *if you want to validate your documents, then you may not declare them as HTML 5 and use deprecated tags.