Closures Development Tutorials, Guides & Insights

Asynchronous programming is essential for creating responsive web applications. Promises and async/await simplify working with asynchronous operations, while understanding the Event Loop helps you write more efficient code.

Object-oriented programming (OOP) in JavaScript allows developers to model real-world entities and relationships using objects, classes, and prototypes. While JavaScript’s OOP model differs from classical OOP languages like Java or C++, it provides powerful features that enable developers to write more modular, reusable, and maintainable code.

Here, the greeting function creates a closure that remembers the message variable. This allows the inner function to use message whenever it is called.

3. Maintaining State