The language of the web. Build interactive websites, server-side apps, and mobile applications.
Understand let, const, var, and how JavaScript handles variable scope.
Master function declarations, expressions, and the modern arrow function syntax.
Work with arrays and their powerful built-in methods — map, filter, reduce, and more.
Handle asynchronous operations elegantly with Promises and async/await syntax.
Master JavaScript objects, property access, and destructuring syntax.