Sync/Async pattern The “sync/async pattern” in JavaScript, often used in conjunction with generators, is a design pattern that allows you to write asynchronous code in a more synchronous and linear style. It simplifies the management of asynchronous operations by providing a mechanism to pause and resume execution at specific points in the…

Look ahead and look behind “Lookahead” and “look behind” are two advanced features in regular expressions (regex) that allow you to check if a pattern is followed or preceded by another pattern without including the lookahead or look behind part in the match. JavaScript supports both positive and negative lookahead and look-behind assertions. Here’s how…

An iterator in JavaScript is an object that can access elements or values from a collection (such as an array, set, or map) one at a time. Iterators are commonly used in JavaScript to loop or iterate through the elements of iterable data structures, and they are an essential part…

In JavaScript, a tagged template string is a feature that allows you to define custom template literals by “tagging” them with a function. Template literals are a way to work with strings that include placeholders (expressions) and multiline content more conveniently. A tagged template string consists of two main parts…

Higher-order functions: A function that accepts one or more functions as arguments and/or returns a function as its output is referred to as a higher-order function. In Java 8, Higher-Order Functions (HOFs) refer to functions that can accept other functions as arguments or return functions as results. …

S ==> Separation of Concern Principle. O ==> Open/Closed Principle. L ==> Liskov Substitution Principle. I ==> Interface Segregation Principle. D ==> Dependeny Inversion Code Smells Duplication. Long Method. Big Class. Feature envy. Useless comment Poor name Inappropriate Intimacy Shotgun Surgery. Switch. God Class. Primitive Obsession. Request Bequest. Feature envy In the context of…

A well-liked utility-first CSS framework called Tailwind CSS enables programmers to quickly create user interfaces that are cutting-edge, responsive, and adaptable. Tailwind CSS offers a set of low-level utility classes that may be combined to create unique UI components, in contrast to conventional CSS frameworks, which come with pre-designed elements. Tailwind CSS’s salient attributes include: …

useLayoutEffect: useLayoutEffect is a React Hook that works similarly to useEffect, but with one significant difference. While useEffect runs after the render is committed to the screen (i.e., after painting), useLayoutEffect runs synchronously after all DOM mutations, but before the user sees the updates on the screen. …

useCallback is a React Hook used for memoizing functions so that they are only recreated when their dependencies change. It is especially useful when passing functions to child components, preventing unnecessary re-renders of those child components and optimizing performance. The syntax for using useCallback is as follows: import React, {…