bluebird

Full featured Promises/A+ implementation with exceptionally good performance

v3.7.2 URL: https://unpkg.com/bluebird@3.7.2/js/browser/bluebird.js

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promise performance promises promises-a promises-aplus async await deferred deferreds future flow control dsl fluent interface

when

A lightweight Promises/A+ and when() implementation, plus other async goodies.

v3.7.8 URL: https://unpkg.com/when@3.7.8/when.js

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cujo Promises/A+promises-aplus promise promises deferred deferreds when async asynchronous ender

fishbird

Fishbird is a simple, lightweight, and fast Promise utility library

v1.1.8 URL: https://unpkg.com/fishbird@1.1.8/cjs/index.js

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promise performance async await deferred deferreds flow control dsl fluent interface typescript esm bluebird

@ndriadev/futurable

Extension Javascript's Promise API with more functionalities

v2.3.1 URL: https://unpkg.com/@ndriadev/futurable@2.3.1/dist/futurable.cjs

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promise promises promises-a promises-aplus async await deferred deferreds future cancel abort delay sleep abortable cancelable futurable

xhr-promise-es6

Wrap the XMLHttpRequest object with Promise/A+ compliant promises.

v1.2.7 URL: https://unpkg.com/xhr-promise-es6@1.2.7/lib/index.js

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xmlhttprequest xhr promise promises promises-a promises-aplus async deferred deferreds es6 es6-promise