Mastering JavaScript Promises

Promises are a fundamental concept in modern JavaScript, especially when dealing with asynchronous operations. Let's dive into what they are and how to use them effectively.

What is a Promise?

A Promise is an object representing the eventual completion or failure of an asynchronous operation. It's a way to handle asynchronous operations in a more manageable and readable way.

Basic Promise Syntax

const myPromise = new Promise((resolve, reject) => {
  // Asynchronous operation here
  if (/* operation successful */) {
    resolve('Success!');
  } else {
    reject('Error!');
  }
});
 
myPromise
  .then(result => console.log(result))
  .catch(error => console.error(error));