Codewars 7 Kyu Is This A Triangle Javascript

Summary

this one is pretty straight forward kata link: this one uses the replace() method and recursion kata link: ... this one uses the Math.hypot() function Math.hypot() info: ... finding triangular numbers triangular numbers info: en.wikipedia.org/wiki/Triangular_number. this one we use the split(), map(), and join() methods with more stuff split() info: ... updated version: youtu.be/PZK02xBgJ5s this one uses the Math.floor function kata link: ... this one uses a for loop and the map() method kata link: ... this one uses an if statement, the remainder operator, and the Math.random() method kata link: ... this one uses the String() constructor, spread syntax (...), and more kata link: ...