How well do you need to know JS, Junior PHP developer?

Question

IT education

I know that it is now literally shoved into all vacancies, I ask specifically about the required level, preferably in words, give an example of a task or several tasks that I should be able to implement with JS.

Answer 1

The answer is simple, the more you know the better, the minimum is of course the base: syntax, variables, data types, functions, loops.
Well, for php it is necessary to understand how ajax works.
Go here: https://learn.javascript.ru/ and read EVERYTHING (quickly, at least diagonally) and make some examples of those moments that you encounter at work. Then you yourself will go there and read on the desired topic.
There is also This, some php functions in js here:
https://locutus.io/
https://www.jsphp.com/javascript/php/page/home
Please note that most php developers know how to basic html/css/ js, as websites don't work without it.
Even if you are just a backend, you still have to deal with it.