> What is async in JS and Node (unless you use the sync alternatives) is any kind of IO (disk, network). That is also async for the CPU. The same statement is

> What is async in JS and Node (unless you use the sync alternatives) is any kind of IO (disk, network). That is also async for the CPU. The same statement is true of Erlang and Elixir, yet they manage to handle non-blocking async code without either of the daft callback/promise code styles of Javascript. Even within the confines of async-capable languages, Node is one of the worse options.