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Practical Promises in JavaScript - Returning New Promises with Chaining Promises

Welcome to part 3 of my Practical Promises series! In part 1, we talked about what promises are and what they can be used for. In part 2, we started looking at how we can create promises. Then in part 3, we saw how each call to then actually makes a new promise, and that those promises can be chained together. In this post, we'll see how to apply what we've learned to simplify asynchronous coding challenges. More...

Practical Promises in JavaScript - The Basics of Promise Chaining

Welcome to part 3 of my Practical Promises series! In part 1, we talked about what promises are and what they can be used for. In part 2, we started looking at how we can create promises. Today, we're going to look at how promises can be chained together. More...

Practical Promises in JavaScript - Making Promises

In part 1 of our series, we covered the basics of promises. We know what they are. We know how to use then to receive the value of a promise once it's available. We know how to use catch to be notified when something goes wrong. But we haven't yet created a promise! In this post, we'll learn how to create promises. More...

Practical Promises in JavaScript - What are they, and how do I use them?

JavaScript promises are a concept that I see developers, both pros and novices, struggle with on a regular basis. For those of us that come from a synchronous-programming background, using them effectively and understanding what's happening can be challenging, especially if you don't have a good grasp on all the ways that promises can be manipulated and used. In this new series of posts, we'll be looking at how to use promises effectively. More...