What advantages _does_ Node bring except for "same language on server side" and good handling of high-load scenarios? I might be ignorant, but it seems that yo

What advantages _does_ Node bring except for "same language on server side" and good handling of high-load scenarios? I might be ignorant, but it seems that you have to do a lot of ceremonies for some simple parallelisation, how do I do Parallel.For(...) or Task.Run(...).ContinueWith(...) in Node.js?