Gyan Milega

Learn what JavaScript is, how it works, and how to add it to your web pages with inline, external, async, and defer script loading strategies.

Learn how loops work in JavaScript with beginner-friendly examples. This complete guide covers for loops, while loops, and practical use cases like printing messages, iterating arrays, and filtering even/odd numbers.

Functions in a JavaScript. Learn what functions are in JavaScript with examples. This beginner-friendly guide covers function declarations, parameters, return values, and more.

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.