JavaScript (JS) [a] is a programming language and core technology of the Web, alongside HTML and CSS. It was created by Brendan Eich in 1995. [6] As of 2025, the overwhelming majority of websites …

5 days ago · Welcome to the MDN beginner's JavaScript course! In this article we will look at JavaScript from a high level, answering questions such as "What is it?" and "What can you do with it?", and …

Hello, world! Code structure The modern mode, "use strict" Variables Data types Interaction: alert, prompt, confirm Type Conversions Basic operators, maths Comparisons Conditional branching: if, '?' …

An in-depth course on the basics of JavaScript.

2 days ago · Node.js is an open-source, cross-platform JavaScript runtime built on Chrome's V8 engine. It enables developers to run JavaScript outside the browser to build fast, scalable server-side …

W3Schools provides online tutorials to help you learn programming, software, and web development. Master HTML, CSS, JavaScript, PHP, Python, C++, Java, and more with real-world examples. For …

Learn JavaScript Tutorials Courses Examples References Online JS COMPILER Recommended Course: Master JavaScript Programming Perfect for beginners serious about building a career in …

Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Mar 14, 2026 · --> Learn JavaScript step by step with this detailed JavaScript tutorial which is designed for beginners and advanced learners.

To finish the procedure, make a pull request in our GitHub repository that adds your subdomain to the list of existing JS.ORG domains. Your new URL should go live within 24 hours (keep an eye on your …