That's not the test you're failing. You're failing the test with 2 empty arrays. See https://docs.codewars.com/training/troubleshooting/#print-input

Not a kata issue.

The clue is in the error message. You cannot do null.sort()

Can't seem to pass this one test

(Testing for null and []
TypeError: Cannot read properties of null (reading 'sort')
at comp (test.js:5:18)
at Context. (test.js:93:26)
at process.processImmediate (node:internal/timers:471:21))

The function domainName should only have one argument. The domain name is the solution you have to return.

No Stone left unturned :P

Its writing hello yaaaaa lol

Please explain more if you want to get an answer.

why am i getting unauthorized message in output

Expected '1 * 5 = 5\n2' to equal '1 * 5 = 5\n'
this is what is showing me for every line

in vs its printing on new colum just like the example

help me hear guys?

Issue with your code is not a kata issue! When I ran your code, there's division by zero error, so your logic is wrong! And you don't need to include main in your solution, FYI!