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: ... this one uses the push() method push() info: ... standard example of using the reduce() method. this one uses a for() loop, an if() statement, and the join() method kata link: ... Beginner level C# object oriented programming series. Create a free account on this one uses a for loop, some if statements, and the slice() method kata link: ... this one implements a filter() method from scratch. this one we just fill in the blanks. this one uses the every() and the some() methods every() info: ... this one uses a for...in statement, a double for loop, and more kata link: ...