I'd still recommend learning about one of those frameworks to anyone aspiring to be a skilled front-end developer. Not because it is essential to master them, but because there are interesting concepts in there that could help with front-end applications development.
I'd still recommend learning about one of those frameworks to anyone aspiring to be a skilled front-end developer. Not because it is essential to master them, but because there are interesting concepts in there that could help with front-end applications development.