# Promises From The Ground Up

DevFeed: [Promises From The Ground Up](<https://devfeed.tech/articles/promises-from-the-ground-up-45216.md>)

Original publisher: [Read original article](<https://www.joshwcomeau.com/javascript/promises/>)

Author: Josh W. Comeau

Published: 2024-06-03T13:30:00Z

Content type: tutorial

Language: en

Sources: [Josh Comeau's blog](<https://devfeed.tech/sources/josh-comeau-s-blog.md>)

Topics: [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Tutorial](<https://devfeed.tech/topics/tutorial.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [Web APIs](<https://devfeed.tech/topics/web-apis.md>)

Tags: [asynchronous](<https://devfeed.tech/tags/asynchronous.md>), [code](<https://devfeed.tech/tags/code.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>), [web-apis](<https://devfeed.tech/tags/web-apis.md>)

## AI overview

A tutorial that builds an intuition for JavaScript Promises by explaining JavaScript's single-threaded execution model, its limitations, and the role of asynchronous code and modern web APIs.

## Source excerpt

The "Promises" API is a surprisingly tricky part of modern JavaScript. Without the right context, it doesn't make much sense at all! In this tutorial, you'll build an intuition for how Promises work by getting a deeper understanding of JavaScript and its limitations.