System.Linq.ParallelEnumerable

This method provides a concise way to generate equal reference types of each element in a sequence. It's particularly useful when you need to create similar items in a parallel fashion and want to avoid explicit looping.

Example:

                    
                        var list = [1, 2, 3];
                        var result = list.Select(x => x * 2).ToArray();
                        console.log(result); // Output: [2, 4, 6]