Codewars 7 Kyu Arithmetic Progression Javascript

Summary

this one uses the join() method join() info: ... this one uses the map() and split() methods kata link: this one uses a switch statement kata link: this one uses the Array.from() method and the ternary operator kata link: ... this one uses a for loop, the reduce() method, and more kata link: ... this one uses the String() constructor, spread syntax(...), and more kata link: ... this one uses a double for loop, they typeof operator, and the flat() method kata link: ... this one uses the reduce() method and the ternary operator kata link: ... this one uses a lot of methods and such this one uses the Set() and String() constructors, and more kata link: ... this one has us accessing an array with a remainder operator expression kata link: ...