Simple String Characters Codewars 7kyu Javascript

Summary

this one uses the match() method and regex kata link: this one uses the charCodeAt(), fromCharCode(), and slice() methods kata link: ... this one uses the isNaN() function, the Number() constructor, and more kata link: ... this one is a little puzzling kata link: this one uses some for loops, the conditional (ternary) operator, and the slice() method kata link: ... this one uses the split(), sort(), and charCodeAt() methods split() info: ... this one uses the Array() constructor, the fill() method, 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() method filter() info: ...