Codewars 8kyu Array Plus Array Javascript

Summary

using concat() and reduce() on this one. Code along with me as we solve ' here we use reduce() and the unary this one uses the trim() method trim() info: ... we use the reduce() method in this one reduce() info: ... this one we just fill in the blanks. standard example of using the reduce() method. Beginner level C# object oriented programming series. Create a free account on this one uses the push() method push() info: ... this one uses a for() loop, an if() statement, and the join() method kata link: ... this one uses a for loop and the reduce() method kata link: ...