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.

Jan 15, 2026 · JavaScript is a versatile, dynamically typed programming language that brings life to web pages by making them interactive. It is used for building interactive web applications, supports both …

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

Jul 6, 2023 · The goal of this handbook is to quickly introduce you to the basics of JavaScript so you can start programming applications. Instead of covering all the theories and concepts of JavaScript, I'll be …

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.

This course will introduce you to the fundamental concepts of programming using JavaScript, one of the world's most popular and versatile programming languages.

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.

JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2025 version. Start learning JavaScript now » With our Try it Yourself editor, you can edit the source code …

Aug 21, 2025 · JavaScript is a versatile, lightweight scripting language widely used in web development. It can be utilized for both client-side and server-side development, making it essential for modern …