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Node.js is a cross-platform, open-source JavaScript runtime environment that can run on Windows, Linux, Unix, macOS, and more. Node.js runs on the V8 JavaScript engine, and executes JavaScript code outside a web browser. Node.js lets developers use JavaScript to write command line tools and for server-side scripting.
Programming languages used in most popular websites* Websites Popularity (unique visitors per month) [1] Front-end (Client-side) Back-end (Server-side) Database Notes
Different browsers use different engines, although there are now multiple browsers based on Chromium which use V8 as their JavaScript engine. V8: A JavaScript engine used in Google Chrome and other Chromium-based browsers (such as Microsoft Edge). Also used in Node.js, Deno, and V8.NET.
V8 from Google is the most used JavaScript engine. Google Chrome and the many other Chromium-based browsers use it, as do applications built with CEF, Electron, or any other framework that embeds Chromium. Other uses include the Node.js and Deno runtime systems. SpiderMonkey is developed by Mozilla for use in Firefox and its forks.
However, the use of JavaScript engines is not limited to browsers; for example, the V8 engine is a core component of the Node.js runtime system. [54] Since ECMAScript is the standardized specification of JavaScript, ECMAScript engine is another name for these implementations.
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ECMAScript is commonly used for client-side scripting on the World Wide Web, and it is increasingly being used for server-side applications and services using runtime environments such as Node.js, [3] deno [4] and bun. [5]
Common logo used to represent MERN stacks. MEAN (MongoDB, Express.js, AngularJS (or Angular), and Node.js) [1] is a source-available JavaScript software stack for building dynamic web sites and web applications. [2] A variation known as MERN replaces Angular with React.js front-end, [3] [4] and another named MEVN use Vue.js as front-end.