Welcome to another entry in my Practical Promises series! I know I said the next post would be the last, and we would talk about async/await, but I changed my mind! Instead, today, we’ll revisit the fundamentals to show just how important it is to call things in the right order. [more] If you are…
try-catch-FAIL
Stories from the trenches of software development.
Tag: <span>promises</span>
Practical Promises in JavaScript – Leveraging Promise Chaining to Achieve Encapsulation
Welcome to part 5 of my Practical Promises series! Today, we’re going to use what we’ve learned to build a better client-side API for a web API. [more] If you are just joining us, here is what you missed: In part 1, we talked about what promises are and what they can be used for….
Practical Promises in JavaScript – Returning New Promises with Chaining Promises
Welcome to part 4 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…
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] What Happens If… We’ve seen…
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…
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…
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