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JavaScript

Unlocking the Magic of JavaScript Asynchronous Programming: Mastering Callbacks, Promises, and Async/Await

“A single-threaded, non-blocking, asynchronous, concurrent programming language with many flexibilities”. This is how freeCodeCamp defines JavaScript. Sounds great, right? Well, read it again. JavaScript is supposed to be single-threaded and asynchronous simultaneously. Which, when you think about it, sounds like a contradiction.

Mastering Javascript Arrays: The Definitive Guide

Data is essential to all JavaScript applications. It determine what we see, hear and interact with when we open the app, and it must be stored properly to guarantee a smooth user experience. Specifically, the data must be a stored in a way that facilitates retrieval, manipulation and is efficient in storage usage. need data to represent information. One of the most important prominent data structures in JavaScript is known as an Array.

Next.js Libraries: The Next Big Thing in 2023

In the world of a diverse group of frameworks, one of the popular frameworks for ‘hitting the ground running’ is Next.js. Did you know that mobile devices account for 2/3 of all web usage? Given this, it is crucial to optimize websites and develop web applications for the best possible mobile experience. Due to this, developing high-performance web applications and lightning-fast static web pages requires robust technology.

How to Fix ReferenceError: $ is Not Defined in JavaScript

The JavaScript ReferenceError: $ is not defined occurs when the jQuery library is used but is not properly loaded or is not available in the current scope of the code. In JavaScript, the $ symbol is often used as a shorthand alias for the jQuery library. This error indicates that the code is trying to use jQuery functionality by referencing the $ symbol, but the library is not available or has not been loaded correctly.

Sets & Maps in JavaScript

When it comes to picking the right data structure, developers often invest significant time in choosing what should be implemented. A good data structure can simplify data operations, save time, and make code more comprehensive. Collections of data are commonly stored using Objects and Arrays. For storing keys/value pairs, developers use Objects, and for storing indexed lists, they use Arrays. Iterable objects in ECMAScript 2015 presented two new types: Maps and Sets in JavaScript.