Can I depend in jquary only or should I learn js too "sorry still a begginer"?!

Answer 1

you can see the comment in this code
https://code.sololearn.com/Wu20kv75u57T/?ref=app

jquery is relatively slow in performance. but yes you can always depend on jquery if you want. even though it has a downside most of the script is shorther in jquery compared to vanilla javascript

Answer 2

Well, jQuery is a Javascript library, so I think it wouldn't hurt to give JS a go