Many Internet Web sites contain JavaScript, a scripting programming language that runs on the web browser to make specific features on the web page functional. If JavaScript has been disabled within your browser, the content or the functionality of the web page can be limited or unavailable.
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, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat.
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 and view the result. We recommend reading this tutorial, in the sequence listed in the menu.
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.
Welcome to the JavaScriptTutorial.net website! This JavaScript Tutorial helps you learn the JavaScript programming language from scratch quickly and effectively. If you find yourself in any of the following situations: Unsure about where to start learning JavaScript.
JavaScript supports many paradigms. Scripting language — programming language that is used for scripting, which is the act of writing a script, which is a relatively short and simple set of instructions which automate an otherwise manual process.
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 language that executes code line by line, providing more flexibility. Client Side: On the client side, JavaScript works along with HTML and CSS.
While HTML and CSS help create the design of a webpage, JavaScript helps create functionality on a webpage. Other non-browser environments also use JavaScript for more functionality. Do not confuse Java and JavaScript. Though similar in name, the two are very different programming languages. Learn more about JavaScript below.
Learn how to use classes in JavaScript. The `extends` keyword lets you create subclasses of existing classes. Use class fields and methods to add properties to your classes. Use static initialization blocks to set or alter static fields. Additional information that might be helpful on your JavaScript journey. Was this helpful?
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