React vs JavaScript

Many beginners think that React and JavaScript are competitors, but they are not. JavaScript is a programming language, while React is a library built with JavaScript. In other words, you can use JavaScript without React, but you cannot use React without JavaScript. JavaScript, created in 1995 by Brendan Eich, is the foundation of modern web development. It allows developers to create interactive websites, handle user input, manipulate web pages, and communicate with servers. React, developed by Jordan Walke and maintained by meta.com⁠�, was introduced in 2013 to make building user interfaces easier. Instead of manually updating web pages with JavaScript, React lets developers create reusable components and efficiently update only the parts of a page that change. As JavaScript creator Brendan Eich said: "Always bet on JavaScript." And React has become one of the most popular tools in the JavaScript ecosystem because it helps developers build large applications more efficiently. A good analogy is this: JavaScript is the engine of a car. React is a high-performance vehicle built using that engine. If you want to become a web developer, learn JavaScript first. Once you understand variables, functions, arrays, objects, and the DOM, React becomes much easier to learn. In short, JavaScript gives you the power to build web applications, while React provides a faster and more organized way to build complex user interfaces. They are not rivals—they work together.