Codewars 7 Kyu Especially Joyful Numbers Javascript

Summary

this one uses the String() constructor, spread syntax(...), and more kata link: ... this one uses the bitwise AND (&) operator, Array.from() and more bitwise AND (&) operator info: ... this one uses a lot of techniques bitwise OR (|) info: ... this one uses the match() method and regex match() info: ... this one uses the filter() and reduce() methods kata link: this one uses a for loop, an if...else statement, and more kata link: ... reworked version: youtu.be/KRId6TmCTjA this one uses a variety of techniques nested functions info: ... this one uses the Array() constructor, the fill() method, and more Harvard CS50 info: ... this one uses the split() method to count the digit split() info: ... checking for primes with Math.sqrt() Math.sqrt() info: ...