Alex Devero

Reacts useRef Hook: What It Is and How to Use It

React useRef hook can be helpful when you need to create mutable variables in your components without causing these components to re-render. For example, store references to elements or some other values. In this tutorial, you will learn about what React useRef hook is, how it works and how to use it.

React useEffect Hook Made Simple

The React useEffect Hook helps you manage side-effects in functional React components. It also makes this task much easier than it used to be. In this tutorial you will learn about what useEffect hook is and how it works. You will also learn how to use it in your React applications.

React useState Hook in Action: What You Need to Know

The React useState hook is one of the most popular hooks in React. This hook makes it easy to manage state within your function components. It is also very simple to use. In this tutorial you will learn what useState hook is and how to use it in your React applications.

JavaScript Generator Functions Made Simple

Generator functions are one of those things you may not see as often. However, they can be handy in some situations. This tutorial will help you understand them. You will learn about what generator functions are. You will also learn about yield and next() and also how to delegate execution.

Variable Scope, Lexical Scope and Code Blocks in JavaScript

Variable scope, lexical scope and code blocks are things every JavaScript developer works with every day. In this tutorial, you will learn about them all. You will learn about variable scope and how it works with different types of variables. After that, you will learn about lexical scope and code blocks.

Getting Started With JavaScript Constructor Functions

JavaScript offers multiple ways to create objects. These ways include object literals, Object(), classes and constructor functions. This tutorial will show you the third option. You will learn about what constructor function are, how they work, and how to use them to create objects.