JavaScript Promises

Online Course

JavaScript Promises

What is the course about?

JavaScript Promises
The course JavaScript Promises is an online class provided by Udacity. The skill level of the course is Advanced. It may be possible to receive a verified certification or use the course to prepare for a degree.

Learn how to handle asynchronous work with ease! In this course, you’ll use Native JavaScript Promises to write asynchronous code that is easy to read, easy to write and easy to debug.

Course description
  • JavaScript Promises
  • 3 weeks
  • Async Work Made Easy
  • Along the way, you’ll be using Promises to make a webapp come to life!
  • Creating Promises
  • Chaining Promises
  • Promises syntax and scope.
  • Simplifying common, useful methods with Promises.
  • Basic error handling.
  • Creating sequences of async work manually.
  • Advanced error handling.
  • Techniques for generating sequences of async work with array methods.
  • We expect that students have built web apps in the past and they are familiar with the pitfalls of callback-heavy code. There is no HTML or CSS in this class.
  • JavaScript Skills Required:
  • Other Requirements:
  • See the Technology Requirements for using Udacity.
  • Every web developer needs to be able to work with asynchronous code. Network requests, browser events, web workers and just about every else about the web happens asynchronously.
  • JavaScript developers normally rely on callbacks to execute async code, but Native JavaScript Promises offer a much easier solution. With Promises, error handling is streamlined and it becomes possible to flexibly chain lots of asynchronous work without creating a tangled mess of callbacks.

Prerequisites & Facts

JavaScript Promises

Course Topic

Computer Science, Programming

University, College, Institution


Course Skill Level


Course Language


Place of class

Online, self-paced (see curriculum for more information)



Degree & Cost

JavaScript Promises

To obtain a verified certificate from Udacity you have to finish this course or the latest version of it, if there is a new edition. The class may be free of charge, but there could be some cost to receive a verified certificate or to access the learning materials. The specifics of the course may have been changed, please consult the provider to get the latest quotes and news.
JavaScript Promises
provided by Udacity


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School: Udacity
Topic: Computer Science, Programming