Basic Javascript Practice Problem Codewars 7 Kyu Friend Or Foe

Summary

this one uses the filter() method filter() info: ... just another trick kata to keep us guessing. this one uses the split() and reduce() methods, and more split() info: ... this one uses the Set() object, spread syntax, and more Set() info: ... Join me to see me solving another this one uses a double for loop, they typeof operator, and the flat() method kata link: ... this one uses a lot of methods and such Math.abs() info: ... this one uses toLowerCase(), split(), and more toLowerCase() info: ... this one uses the sort() method, spread syntax(...), and more kata link: ... this one uses the Math.max() function, the slice() method, and more Math.max() info: ... this one uses spread syntax (...) kata link: this one uses the bitwise AND (&) operator, Array.from() and more bitwise AND (&) operator info: ... this one uses the methods toUpperCase(), trim(), and more toUpperCase() info: ...