JavaScript is the programming language of the Web. JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced. With our "Try it Yourself" editor, you can edit the source code and view the result. We recommend reading …

Code Editor (Try it) With our online code editor, you can edit code and view the result in your browser

6 days ago · JavaScript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, etc. — you can bet that Jav...

Mar 7, 2025 · The JavaScript reference serves as a repository of facts about the JavaScript language. The entire language is described here in detail. As you write JavaScript code, you'll refer to these pages often (thus the title "JavaScript reference").

Apr 3, 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 Web pages, many non-browser environments also use it, such as …

Mar 16, 2016 · It's just a summarized list of the possible values. A most accurately answer is from @Clement Herreman. For example, I live in Catalonia (Spain) and my result is ca_ES. I found they have an API which returns a JSON with all the codes for copying and pasting. localeplanet.com/api/codelist.json.

JavaScript is a high-level, often just-in-time–compiled language that conforms to the ECMAScript standard. [11] . It has dynamic typing, prototype-based object-orientation, and first-class functions. It is multi-paradigm, supporting event-driven, functional, and imperative programming styles.

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.

3 days ago · Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more.

Make web pages interactive by typing and running JavaScript code. Use variables to store and change data. Use data types and operators to do logic and calculations. Organize and reuse code by functions. Conditions, like "if" and "else," let you …