![]() These are just a few of the key concepts and keywords you'll encounter when learning ReactJS. The virtual DOM is a lightweight representation of the actual DOM, and React uses it to determine the minimum number of updates needed to reflect changes in the UI. Virtual DOM: React uses a virtual DOM (document object model) to efficiently update the UI.Some of the most important hooks include useState, useEffect, and useContext. Hooks: React hooks are functions that allow you to use React features within functional components.Props are read-only and cannot be changed by the child components. Props: Props (short for "properties") are used to pass data from a parent component down to its children.When the state of a component changes, React will automatically update the UI to reflect that change. State: A component's state is an object that holds information about that component's current state.It is used to describe the structure of React components. JSX: JSX is a syntax extension for JavaScript that allows you to write HTML-like code within your JavaScript files.Components can be combined and nested to create more complex UIs. A component can be thought of as a small, self-contained piece of a larger user interface. Components: ReactJS is all about creating reusable UI components.Here are some of the basic concepts and keywords to know when learning ReactJS: Its main goal is to simplify the process of creating reusable UI components and managing the state of those components. ReactJS is a popular JavaScript library for building user interfaces. However, in my opinion, it makes your code unclear and incomprehensible in an attempt to shorten the number of lines. Once you have a good grasp of these basics, you can move on to more advanced concepts like:Īs a bonus, you can also learn jQuery, which is a JavaScript framework like React. You can find any of these topics by Googling "CSS ," for example, "JavaScript functions." The CSS skills you should know well include: ![]() To start with CSS, you need to understand the language syntax and how to connect it to the previously learned material. CSS is used to style the visual elements of a web page, such as fonts, colors, and layout. Once you have a grasp of HTML, the next step is to learn CSS (Cascading Style Sheets). Some common tags are tables, forms, and lists.Īs a good practice, you can deploy a "Contact me" static HTML page to test your knowledge. Each tag has a specific function, such as creating a paragraph or an image, and is composed of an opening tag, the content, and a closing tag. Understanding its basic structure and how to create simple web pages is essential for every web developer. HTML (Hypertext Markup Language) is the foundation of all websites. To start with, let's cover the basics of HTML. MERN stands for MongoDB, ExpressJS, ReactJS, NodeJS, these technologies allow you to create a server & client-based application (web app). Note: This article was written in 2022 and is based on my individual experience.įor those of you who don't know what MERN is, the following 3 lines will sum it all up for you.
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