Promises in JavaScript | Promise Handling with example | Asynchronous Programming | By Anirudh Garg
Asynchronous Programming
Folks, In this Video we will learn about Promises, Frequently asked about in coding interviews
a Promise is an object representing the eventual completion or failure of an asynchronous operation and its resulting value. It allows you to handle asynchronous tasks more effectively compared to callbacks, avoiding the issues commonly known as "callback hell."
States of a Promise:
1. Pending: The initial state; the operation hasn't completed yet.
2. Fulfilled: The operation was successful, and the resolve function was called.
3. Rejected: The operation failed, and the reject function was called.
In next video we will learn about Asynchronous Programming and why we use async await keywords while dealing with promises,
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Reduce Method process and transform array elements into a single cumulative value.
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It’s widely used for aggregating data, such as summing numbers, flattening arrays, or constructing objects.
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