function main

Question

what does this do and is this needed in all codes? sorry I am totally new to JS> thanks.

Answer 1

You should always mention the language you're asking about in the tags:
https://code.sololearn.com/W3uiji9X28C1/?ref=app

Answer 2

In javascript, there is no need to create a main() function

Answer 3

Got it. I'm still new to this. thanks for the replies.