How to Completely Uninstall Node.js & Reinstall from Beginning (Mac OS X) ? Last Updated : 23 Jul, 2025 Comments Improve Suggest changes Like Article Like Report Node.js is a widely adopted and robust platform that allows software engineers to create high-performance and scalable web applications with ease. However, there might be instances where you need to perform a complete uninstallation of Node.js from your Mac OS X system and start anew. This necessity could arise due to various factors, such as outdated versions, conflicts with other software programs, or simply the desire for a fresh start. Table of Content Uninstalling Node.jsReinstalling Node.jsUninstalling Node.jsBefore we embark on the reinstallation journey, verifying that Node.js has been entirely removed from our system is imperative. Follow these steps to achieve a complete uninstallation: Step 1: To verify if Node.js is installed on your device and to check its version, follow these steps. Open the terminal and enter the command. This will display the installed version of Node.js. If a version number appears, then Node.js is installed. However, if it doesn't show any version, you should move on to the next step. node -v Step 2: Remove Node.js Executable. Delete the Node.js executable by entering the following command in the terminal.After that you will be prompted to authenticate the command by entering your password. sudo rm /usr/local/bin/node Step 3: Delete npm Executable. Next, remove the npm executable using this command. This command erases the npm executable from the system. sudo rm /usr/local/bin/npmStep 4: Eliminate Node.js Modules. Lastly, remove all Node.js modules and packages. In the terminal, type. This command clears all Node.js modules and packages from the system. sudo rm -rf /usr/local/lib/node_modules Reinstalling Node.jsStep 1: Install Homebrew. Homebrew simplifies software installation and management on Mac. To install Homebrew, execute the following command in the terminal. The below command installs Homebrew on your system. /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)" Step 2: After entering the password execution starts. After completionStep 3: To install Node.js using Homebrew, ensure Homebrew is installed and then use the following command in the terminal: brew install node Step 4: Verify Installation. To ensure Node.js and npm are correctly installed, enter the following commands in the terminal. These commands display the installed versions of Node.js and npm, respectively. If you see version numbers, it means that Node.js and npm are installed correctly on your system. node -vnpm -v ConclusionIn this article, we've provided a comprehensive guide on completely uninstalling Node.js from your Mac OS X system and reinstalling it from scratch. Following these steps ensures a fresh and up-to-date installation of Node.js, devoid of any conflicts or outdated versions. We trust that this guide has proven beneficial to you, and we wish you the best of luck in your Node.js development endeavors! Comment More infoAdvertise with us Next Article NodeJS Introduction M mdshoaibansari0307 Follow Improve Article Tags : Web Technologies Node.js Node-npm Similar Reads Node.js Tutorial Node.js is a powerful, open-source, and cross-platform JavaScript runtime environment built on Chrome's V8 engine. It allows you to run JavaScript code outside the browser, making it ideal for building scalable server-side and networking applications.JavaScript was mainly used for frontend developme 4 min read Introduction & Installation NodeJS IntroductionNodeJS is a runtime environment for executing JavaScript outside the browser, built on the V8 JavaScript engine. It enables server-side development, supports asynchronous, event-driven programming, and efficiently handles scalable network applications. NodeJS is single-threaded, utilizing an event l 5 min read Node.js Roadmap: A Complete GuideNode.js has become one of the most popular technologies for building modern web applications. It allows developers to use JavaScript on the server side, making it easy to create fast, scalable, and efficient applications. Whether you want to build APIs, real-time applications, or full-stack web apps 6 min read How to Install Node.js on LinuxInstalling Node.js on a Linux-based operating system can vary slightly depending on your distribution. This guide will walk you through various methods to install Node.js and npm (Node Package Manager) on Linux, whether using Ubuntu, Debian, or other distributions.PrerequisitesA Linux System: such a 6 min read How to Install Node.js on WindowsInstalling Node.js on Windows is a straightforward process, but it's essential to follow the right steps to ensure smooth setup and proper functioning of Node Package Manager (NPM), which is crucial for managing dependencies and packages. This guide will walk you through the official site, NVM, Wind 6 min read How to Install NodeJS on MacOSNode.js is a popular JavaScript runtime used for building server-side applications. Itâs cross-platform and works seamlessly on macOS, Windows, and Linux systems. In this article, we'll guide you through the process of installing Node.js on your macOS system.What is Node.jsNode.js is an open-source, 6 min read Node.js vs Browser - Top Differences That Every Developer Should KnowNode.js and Web browsers are two different but interrelated technologies in web development. JavaScript is executed in both the environment, node.js, and browser but for different use cases. Since JavaScript is the common Programming language in both, it is a huge advantage for developers to code bo 6 min read NodeJS REPL (READ, EVAL, PRINT, LOOP)NodeJS REPL (Read-Eval-Print Loop) is an interactive shell that allows you to execute JavaScript code line-by-line and see immediate results. This tool is extremely useful for quick testing, debugging, and learning, providing a sandbox where you can experiment with JavaScript code in a NodeJS enviro 5 min read Explain V8 engine in Node.jsThe V8 engine is one of the core components of Node.js, and understanding its role and how it works can significantly improve your understanding of how Node.js executes JavaScript code. In this article, we will discuss the V8 engineâs importance and its working in the context of Node.js.What is a V8 7 min read Node.js Web Application ArchitectureNode.js is a JavaScript-based platform mainly used to create I/O-intensive web applications such as chat apps, multimedia streaming sites, etc. It is built on Google Chromeâs V8 JavaScript engine. Web ApplicationsA web application is software that runs on a server and is rendered by a client browser 3 min read NodeJS Event LoopThe event loop in Node.js is a mechanism that allows asynchronous tasks to be handled efficiently without blocking the execution of other operations. It:Executes JavaScript synchronously first and then processes asynchronous operations.Delegates heavy tasks like I/O operations, timers, and network r 5 min read Node.js Modules , Buffer & StreamsNodeJS ModulesIn NodeJS, modules play an important role in organizing, structuring, and reusing code efficiently. A module is a self-contained block of code that can be exported and imported into different parts of an application. This modular approach helps developers manage large projects, making them more scal 6 min read What are Buffers in Node.js ?Buffers are an essential concept in Node.js, especially when working with binary data streams such as files, network protocols, or image processing. Unlike JavaScript, which is typically used to handle text-based data, Node.js provides buffers to manage raw binary data. This article delves into what 4 min read Node.js StreamsNode.js streams are a key part of handling I/O operations efficiently. They provide a way to read or write data continuously, allowing for efficient data processing, manipulation, and transfer.\Node.js StreamsThe stream module in Node.js provides an abstraction for working with streaming data. Strea 4 min read Node.js Asynchronous ProgrammingAsync Await in Node.jsAsync and await in Node are the modern way of handling asynchronous operations more efficiently. These are powerful keywords that replaces the traditional callback and Promise chaining approaches.Handling Asynchronous Operations Before Async AwaitCallbacksBefore Node version 7.6, the callbacks were 3 min read Promises in NodeJSPromises are a fundamental concept in asynchronous programming in JavaScript, especially in NodeJS, where non-blocking I/O operations are key to performance. Promises allow us to handle asynchronous operations more efficiently than traditional callback functions, leading to cleaner, more readable co 8 min read How to Handle Errors in Node.js ?Node.js is a JavaScript extension used for server-side scripting. Error handling is a mandatory step in application development. A Node.js developer may work with both synchronous and asynchronous functions simultaneously. Handling errors in asynchronous functions is important because their behavior 4 min read Exception Handling in Node.jsException handling refers to the mechanism by which the exceptions occurring in a code while an application is running is handled. Node.js supports several mechanisms for propagating and handling errors. There are different methods that can be used for exception handling in Node.js: Exception handl 3 min read Node.js NPMNodeJS NPMNPM (Node Package Manager) is a package manager for NodeJS modules. It helps developers manage project dependencies, scripts, and third-party libraries. By installing NodeJS on your system, NPM is automatically installed, and ready to use.It is primarily used to manage packages or modulesâthese are 6 min read Steps to Create and Publish NPM packagesIn this article, we will learn how to develop and publish your own npm package (also called an NPM module). There are many benefits of NPM packages, some of them are listed below: Reusable codeManaging code (using versioning)Sharing code The life-cycle of an npm package takes place like below: Modu 7 min read Introduction to NPM scriptsNPM is a Node Package Manager. It is the world's largest Software Registry. This registry contains over 800,000 code packages. Many Open-source developers use npm to share software. Many organizations also use npm to manage private development. "npm scripts" are the entries in the scripts field of t 2 min read Node.js package.jsonThe package.json file is the heart of Node.js system. It is the manifest file of any Node.js project and contains the metadata of the project. The package.json file is the essential part to understand, learn and work with the Node.js. It is the first step to learn about development in Node.js.What d 4 min read What is package-lock.json ?package-lock.json is a file that is generated when we try to install the node. It is generated by the Node Package Manager(npm). package-lock.json will ensure that the same versions of packages are installed. It contains the name, dependencies, and locked version of the project. It will check that s 3 min read Node.js Deployments & CommunicationNode DebuggingDebugging is an essential part of software development that helps developers identify and fix errors. This ensures that the application runs smoothly without causing errors. NodeJS is the JavaScript runtime environment that provides various debugging tools for troubleshooting the application.What is 3 min read How to Perform Testing in Node.js ?Testing is a method to check whether the functionality of an application is the same as expected or not. It helps to ensure that the output is the same as the required output. How Testing can be done in Node.js? There are various methods by which tasting can be done in Node.js, but one of the simple 2 min read Unit Testing of Node.js ApplicationNode.js is a widely used javascript library based on Chrome's V8 JavaScript engine for developing server-side applications in web development. Unit Testing is a software testing method where individual units/components are tested in isolation. A unit can be described as the smallest testable part of 5 min read NODE_ENV Variables and How to Use Them ?Introduction: NODE_ENV variables are environment variables that are made popularized by the express framework. The value of this type of variable can be set dynamically depending on the environment(i.e., development/production) the program is running on. The NODE_ENV works like a flag which indicate 2 min read Difference Between Development and Production in Node.jsIn this article, we will explore the key differences between development and production environments in Node.js. Understanding these differences is crucial for deploying and managing Node.js applications effectively. IntroductionNode.js applications can behave differently depending on whether they a 3 min read Best Security Practices in Node.jsThe security of an application is extremely important when we build a highly scalable and big project. So in this article, we are going to discuss some of the best practices that we need to follow in Node.js projects so that there are no security issues at a later point of time. In this article, we 4 min read Deploying Node.js ApplicationsDeploying a NodeJS application can be a smooth process with the right tools and strategies. This article will guide you through the basics of deploying NodeJS applications.To show how to deploy a NodeJS app, we are first going to create a sample application for a better understanding of the process. 5 min read How to Build a Microservices Architecture with NodeJSMicroservices architecture allows us to break down complex applications into smaller, independently deployable services. Node.js, with its non-blocking I/O and event-driven nature, is an excellent choice for building microservices. How to Build a Microservices Architecture with NodeJS?Microservices 3 min read Node.js with WebAssemblyWebAssembly, often abbreviated as Wasm, is a cutting-edge technology that offers a high-performance assembly-like language capable of being compiled from various programming languages such as C/C++, Rust, and AssemblyScript. This technology is widely supported by major browsers including Chrome, Fir 3 min read Resources & ToolsNode.js Web ServerA NodeJS web server is a server built using NodeJS to handle HTTP requests and responses. Unlike traditional web servers like Apache or Nginx, which are primarily designed to give static content, NodeJS web servers can handle both static and dynamic content while supporting real-time communication. 6 min read Node Exercises, Practice Questions and SolutionsNode Exercise: Explore interactive quizzes, track progress, and enhance coding skills with our engaging portal. Ideal for beginners and experienced developers, Level up your Node proficiency at your own pace. Start coding now! #content-iframe { width: 100%; height: 500px;} @media (max-width: 768px) 4 min read Node.js ProjectsNode.js is one of the most popular JavaScript runtime environments widely used in the software industry for projects in different domains like web applications, real-time chat applications, RESTful APIs, microservices, and more due to its high performance, scalability, non-blocking I/O, and many oth 9 min read NodeJS Interview Questions and AnswersNodeJS is one of the most popular runtime environments, known for its efficiency, scalability, and ability to handle asynchronous operations. It is built on Chromeâs V8 JavaScript engine for executing JavaScript code outside of a browser. It is extensively used by top companies such as LinkedIn, Net 15+ min read Like