What is the JavaScript runtime environment

The JavaScript runtime environment is a program or platform that allows you to execute JavaScript code outside of a web browser. It provides the necessary infrastructure for the code to run, including APIs to perform tasks such as file manipulation, network requests, and other system-level operations. Node.js is one of the most popular JavaScript runtime environments, enabling developers to run JavaScript server-side.

This content explains the concept of the JavaScript runtime environment, its purpose, and its significance in executing JavaScript code outside traditional web browsers.

JavaScript, runtime environment, Node.js, server-side JavaScript, web development

const http = require('http'); const server = http.createServer((req, res) => { res.statusCode = 200; res.setHeader('Content-Type', 'text/plain'); res.end('Hello World!\n'); }); server.listen(3000, '127.0.0.1', () => { console.log('Server running at http://127.0.0.1:3000/'); });

JavaScript runtime environment Node.js server-side JavaScript web development

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