# JavaScript Promises Essentials

DevFeed: [JavaScript Promises Essentials](<https://devfeed.tech/articles/javascript-promises-essentials-21232.md>)

Original publisher: [Read original article](<https://juri.dev/blog/2014/11/review-javascript-promises-essentials/>)

Published: 2014-11-17T00:00:00Z

Content type: opinion

Language: en

Sources: [Juri Strumpflohner](<https://devfeed.tech/sources/juri-strumpflohner.md>)

Topics: [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Promise](<https://devfeed.tech/topics/promise.md>), [Error Handling](<https://devfeed.tech/topics/error-handling.md>), [Code](<https://devfeed.tech/topics/code.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>)

Tags: [async](<https://devfeed.tech/tags/async.md>), [asynchronous](<https://devfeed.tech/tags/asynchronous.md>), [compatibility](<https://devfeed.tech/tags/compatibility.md>), [error-handling](<https://devfeed.tech/tags/error-handling.md>), [javascript](<https://devfeed.tech/tags/javascript.md>)

## AI overview

This article explains how JavaScript Promises can simplify asynchronous code that otherwise relies on nested callbacks. It discusses parallel asynchronous calls, chaining, error propagation, compatibility, and related Promise APIs, while reviewing the book JavaScript Promises Essentials.

## Source excerpt

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