Codewars 7 Kyu Arithmetic Progression Javascript

Summary

this one uses the join() method join() info: ... this one uses the Array.from() method and the ternary operator kata link: ... this one uses a switch statement kata link: this one uses the Set() constructor, the sort() method, and more spread syntax (. this one uses a double for loop, they typeof operator, and the flat() method kata link: ... this one uses spread syntax (...) kata link: this one uses a for loop and the toFixed() method kata link: ... this one uses a while loop, the Array.from() method, and more kata link: ... this one uses recursion recursion info: developer.mozilla.org/en-US/docs/Glossary/Recursion.