Oct 2, 2025 · JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for …

The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you want to get started with JavaScript or programming in general, consult the articles in the …

JavaScript is a high-level, often just-in-time–compiled language that conforms to the ECMAScript standard. [12] It has dynamic typing, prototype-based object-orientation, and first-class …

MDN Web Docs is an open-source, collaborative project that documents web platform technologies, including CSS, HTML, JavaScript, and Web APIs. We also provide extensive 🧑‍🎓 …

JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for Web pages, …

Nov 7, 2025 · The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a language feature, have a look at the …

Answers some fundamental questions such as "what is JavaScript?", "what does it look like?", and "what can it do?", along with discussing key JavaScript features such as variables, strings, …

MDN JavaScript pages This page lists all MDN JavaScript pages along with their summary and tags.

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

Jul 22, 2017 · You can learn all that in detail later on, in our JavaScript learning area, and in the rest of MDN. Below we will introduce you some aspects of the core language, and you'll also …