What Can JavaScript Do? JavaScript is the programming language of the web. It can calculate, manipulate and validate data. It can update and change both HTML and CSS.

Aug 8, 2022 · JavaScript was initially created as a browser-only language, but it is now used in many other environments as well. Today, JavaScript has a unique position as the most widely-adopted …

Jul 19, 2025 · This chapter introduces JavaScript and discusses some of its fundamental concepts.

Jan 15, 2026 · JavaScript's flexibility extends to both the client-side and server-side, allowing developers to create complete web applications. Here’s how it functions in each environment:

Jul 6, 2023 · Instead of covering all the theories and concepts of JavaScript, I'll be teaching you only the most important building blocks of the language. We'll cover things like variables, data types, …

W3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, and is continuously updated …

Mar 31, 2024 · This course covers the fundamentals of JavaScript, from the basic rules that govern how the language is written to the built-in methods and properties it provides.

2 days ago · Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP. We concentrate on the language itself here, with the minimum of environment-specific notes.

Learn how to use JavaScript — a powerful and flexible programming language for adding website interactivity. You interact with JavaScript code all the time — you just might not realize it.

Dec 11, 2023 · JavaScript is a programming language used to create dynamic content for websites. It is a lightweight, cross-platform, and single-threaded programming language. It's an interpreted …