JavaScript var help

Question

https://code.sololearn.com/WscXIa8cqLtv/?ref=app

This is my first JavaScript code and I'm not getting any result. And I can't figure out the mistake(s).
Any body know why? -

Answer 1

You need to print the result.

Try `console.log(k);` or `document.write(k);`.

Answer 2

It works (document.write)