Why do we need promises in node JS?

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  1. #resolved
  2. #subsequent
  3. #value
  4. #function
  5. #return
  6. #fulfilled
  7. #internally
  8. #allows
  9. #functions
  10. #callback
  11. #current
  12. #returns
  13. #which
  14. #applied
  15. #chain
  16. #promise