Codewars 7 Kyu Mumbling Javascript

Summary

this one uses toLowerCase(), split(), and more toLowerCase() info: ... this one uses the bitwise AND (&) operator, Array.from() and more bitwise AND (&) operator info: ... this one uses spread syntax (...) kata link: this one uses Math.abs() and indexOf() Math.abs() info: ... this one uses a double for loop, they typeof operator, and the flat() method kata link: ... this one uses the reduce() method kata link: this one uses the toLowerCase() method, the Set() constructor and the .size accessor property kata link: ... this one uses the sort() method, spread syntax(...), and more kata link: ... this one uses a for loop and the reduce() method kata link: ... this one uses the methods toUpperCase(), trim(), and more toUpperCase() info: ...