React Component Naming Rules Explained with Examples (2026 Beginner's Guide)
React Component Naming Rule Introduction React one of the first concepts you should understand is Component Naming Rules. Every React application is built using components. A component is a small, reusable piece of code that displays a part of the user interface, such as a navigation bar, login form, product card, or footer. React follows a specific naming convention for components. These rules help React identify whether a tag is a custom React component or a built-in HTML element. If you ignore these rules, React may not render your component correctly. Following proper naming rules also makes your code cleaner, easier to understand, and simpler to maintain as your project grows. What is a React Component? A React component is a JavaScript function that returns JSX (JavaScript XML). JSX looks similar to HTML and tells React what should appear on the screen. For example, a shopping website can be divided into small components like this: Shopping Website ├ ─...