Future or Promise?

Question

JavaScript

Why Task (Future) is considered pure, unlike Promises. That Task, that promise cannot be clean, because there is an http request, what's the catch?
Read from here => https://github.com/MostlyAdequate/mostly-adequate-...

Answer 1

"That Task, that promise cannot be pure, because there is an http request" - neither task nor promise is in any way connected with requests, you can send, or you can not send, the difference is in the method of calling .