Please after this the Javascript course on here what next please

Answer 1

I’d say, finish the js course first :)

But after, do some html and css.

And then? Well, practise.

For example, go try the Advent of Code and use JS to figure out the puzzles

Answer 2

Use this website to learn more:
https://www.w3schools.com/js/default.asp

Answer 3

I've learnt both html and css before but I've not practice well