React

TypeScript is a superset of JavaScript that adds static typing to the language. This means you can define the type of a variable, function parameter, or object property, allowing the compiler to catch type-related errors before your code runs. This leads to more robust and maintainable code.

Learn the key differences between class-based and functional components in React, including lifecycle methods, hooks, state management, and interview tips. This is one of the most common React interview questions, as it directly relates to React lifecycle methods. React components are the building blocks of a React application, and understanding their differences helps you write efficient, maintainable code.

Modern frameworks like React, Vue, and Angular exist because building complex, interactive apps with just plain JavaScript quickly becomes unmanageable. Let’s look at how web development evolved and why frameworks are the solution.