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JavaScript, despite being a single-threaded language, handles multiple tasks simultaneously through its powerful event loop. Whether you're fetching data from an API, handling user interactions, or processing large datasets, the event loop ensures that your application remains responsive and efficient. But how does this process work under...
In this blog post, we embark on a journey to explore the inner workings of these fundamental array methods and learn how to craft polyfills for them. So, let's roll up our sleeves and dive into the world of JavaScript polyfills, unlocking the true potential of our favorite programming language. Pollyfill for Array.map() ...
When we have multiple promises, and we have to execute them parallelly, then we have plenty of promise methods to achieve that based on the requirement. Let's explore those methods of Promises:: Promise.all() Promise.allSettled() Promise.race() Promise.any() Promise.all() The Promise.all() static method takes an...
Before the widespread adoption of promises, callback hell was a common issue in JavaScript. Callback hell refers to the situation where multiple nested callbacks are used to handle asynchronous operations, leading to code that is difficult to read, understand, and maintain.In callback hell, asynchronous functions would often be nested...
Understanding closures is like unlocking a hidden treasure within the world of JavaScript development. In this step-by-step guide, we'll delve into the intricacies of closures, unraveling their mysteries and exploring the advantages they bring to your code. What is a Closure ? A closure in JavaScript is formed when a function is defined...
