Which one is best front end or back end

Question

Web development and designing

Answer 1

Guys now I know the answer thanks for answering# brains and# fata1 error

Answer 2

frontend-html,css,js
backend-php,sqli.......

Answer 3

Both. They compliment one another and work together to create the type of modern websites that we know and expect.

If you're asking which to learn, I'd learn both of them so that you're well rounded and capable of create an entire website instead of just one part of it.