Promise.any() function - Define, Test & Code

Chapters
0:00 - Define
02:00 - Unit test
07:00 - Implementation


Git Repo: https://github.com/akshaykhanna/AsyncJSInterviewQuestions

In this video, we will dive into the Promise API in JavaScript - Promise.any(). Promise.any() takes an iterable of Promises and returns a Promise that is resolved with the value of the first Promise that resolves. It is similar to Promise.race(), but it resolves with the value of the first Promise that resolves, not the one that resolves first.

To understand the functionality of Promise.any(), we will first explain what Promises are and how they work in JavaScript. Then, we will discuss Promise.any() in detail and demonstrate its usage with some examples.

To ensure that we have a clear understanding of how Promise.any() works, we will write some unit tests to test its functionality. We will use the Jest testing framework to create tests that check if Promise.any() behaves as expected under different conditions.

In the final part of the video, we will create our own implementation of Promise.any() from scratch. We will then use the unit tests we have written to check whether our custom implementation works correctly and behaves like Promise.any().

By the end of this video, you will have a solid understanding of Promise.any() and how it works. You will also have the knowledge and skills needed to create your own custom implementation of Promise.any() or modify existing code that uses it.

So, if you want to level up your JavaScript skills and learn about one of the most powerful features in the Promise API, this video is for yo