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30-seconds-of-code

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A collection of useful JavaScript snippets.

github.com/30-seconds/30-seconds-of-code

30-seconds/30-seconds-of-code

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### Promise The Promise object represents the eventual completion (or failure) of an asynchronous operation, and its resulting value. A Promise can be in one of these states: pending(initial state, neither fulfilled nor rejected), fulfilled(operation completed successfully), rejected(operation failed).