Originally written in Quora
Now, most of the new web applications are probably written using in one of the above frameworks/libraries.(these frameworks even made us forget PHP and some server side languages) They made app development much easier and saved from a lot of chores using jquery.
What I can say now is jquery was popular and could be still a great option than using pure Js. But now we have much much better options are in our hand. So it’s better to adapt the situation. You know something? you can build a good app with none of the frameworks or libraries. But who cares?