Node.js os.EOL Last Updated : 13 Oct, 2021 Suggest changes Share Like Article Like Report The os.EOL constant is an inbuilt application programming interface of the os module which is used to get end-of-line character or marker as specified by the operating system. Syntax: os.EOL Return Value: It returns the EOL (end-of-line marker) as specified by the operating system on which it is running. Below examples illustrate the use of os.EOL constant in Node.js: Example 1: javascript // Node.js program to demonstrate the // os.EOL constants // Allocating os module const os = require('os'); // Printing os.EOL character(s) by // stringifying to JSON otherwise it // will simply print as end of line console.log(JSON.stringify(os.EOL)); Output: "\r\n" Example 2: javascript // Node.js program to demonstrate the // os.EOL constants // Allocating os module const os = require('os'); // Printing os.EOL character(s) with string console.log("Paragraphs always contains EOL" + os.EOL + "EOL stands for end of line"); console.log("EOL varies from os to os" + os.EOL + "For windows it is \\r\\n" + os.EOL + "For POSIX it is \\n" + os.EOL); Output: Paragraphs always contains EOL EOL stands for end of line EOL varies from os to os For windows it is \r\n For POSIX it is \n Note: The above program will compile and run by using the node index.js command. Reference: https://nodejs.org/api/os.html#os_os_eol G gekcho Follow Article Tags : Web Technologies Node.js Node.js-os-module Explore Node.js Tutorial 3 min read Introduction & Installation NodeJS Introduction 3 min read Node.js Roadmap: A Complete Guide 6 min read How to Install Node.js on Linux 6 min read How to Install Node.js on Windows 5 min read How to Install NodeJS on MacOS 6 min read Node.js vs Browser - Top Differences That Every Developer Should Know 6 min read NodeJS REPL (READ, EVAL, PRINT, LOOP) 4 min read Explain V8 engine in Node.js 7 min read Node.js Web Application Architecture 3 min read NodeJS Event Loop 5 min read Node.js Modules , Buffer & StreamsNodeJS Modules 5 min read What are Buffers in Node.js ? 4 min read Node.js Streams 4 min read Node.js Asynchronous ProgrammingAsync Await in Node.js 3 min read Promises in NodeJS 7 min read How to Handle Errors in Node.js ? 4 min read Exception Handling in Node.js 3 min read Node.js NPMNodeJS NPM 6 min read Steps to Create and Publish NPM packages 7 min read Introduction to NPM scripts 2 min read Node.js package.json 4 min read What is package-lock.json ? 3 min read Node.js Deployments & CommunicationNode Debugging 2 min read How to Perform Testing in Node.js ? 2 min read Unit Testing of Node.js Application 5 min read NODE_ENV Variables and How to Use Them ? 2 min read Difference Between Development and Production in Node.js 3 min read Best Security Practices in Node.js 4 min read Deploying Node.js Applications 5 min read How to Build a Microservices Architecture with NodeJS 3 min read Node.js with WebAssembly 3 min read Resources & ToolsNode.js Web Server 6 min read Node Exercises, Practice Questions and Solutions 4 min read Node.js Projects 9 min read NodeJS Interview Questions and Answers 15+ min read My Profile ${profileImgHtml} My Profile Edit Profile My Courses Join Community Transactions Logout Like