Codewars 7 Kyu Especially Joyful Numbers Javascript

Summary

this one uses the String() constructor, spread syntax(...), and more kata link: ... this one uses the toLowerCase() method, the Set() constructor and the .size accessor property kata link: ... 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 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 sort() method and the conditional (ternary) operator kata link: ... this one uses double for loops, the replace() method, and more kata link: ... this one uses the split() method to count the digit split() info: ... this one uses the Array.from(), join(), and split() methods kata link: ...