Codewars 7 Kyu Waiting Room Javascript

Summary

this one uses the indexOf() and slice() methods kata link: this one uses a double for loop and the map() and indexOf() methods kata link: ... this one uses spread syntax (...) kata link: this one uses a for loop, an if statement, and more kata link: ... this one uses the Set() object, spread syntax, and more Set() info: ... this one uses the slice() method kata link: ... this one uses a while loop, the Array.from() method, and more kata link: ... this one uses toLowerCase(), split(), and more toLowerCase() info: ... this one uses the Array.from() method and the ternary operator kata link: ... this one uses Math.abs() and indexOf() Math.abs() info: ... this one uses the toLowerCase() method, the Set() constructor and the .size accessor property kata link: ...