Fix for multiple generators in a loop example code Scala/JS

[LOsioChico]

What's wrong?

• The Scala 3rd nested loop has an increment by 5 and the JS example has increment by 1

Fix

• Update the 3rd nested loop on JS to increment by 5 like the Scala example

Code on page:

Fix implementation:

Reference

Page Link: https://docs.scala-lang.org/scala3/book/scala-for-javascript-devs.html