How to Run a Node.js Application on a Mac

Node.js makes it possible for you to run JavaScript programs outside of a web browser or on a server. To run a Node.js application on MacOS, follow these three steps.

  1. Open Terminal by pressing Command+Space to open Spotlight Search and entering terminal into the search box.
    Using Spotight to open Terminal
  2. Enter the following command, then press Return to create a file named test-node.js containing a simple application that will print out the result 1 + 1.
    echo "console.log(1+1);" >> test-node.js
  3. Type node followed by the name of the application, which is test-node.js in this case, and then press Return.
    node test-node.js
    The result of running the application will be printed out to the terminal.
    Result of Running the Application
Author: Chris Minnick

Chris Minnick, the co-founder of WatzThis?, has overseen the development of hundreds of web and mobile projects for customers from small businesses to some of the world’s largest companies. A prolific writer, Chris has authored and co-authored books and articles on a wide range of Internet-related topics including HTML, CSS, mobile apps, e-commerce, e-business, Web design, XML, and application servers. His published books include Adventures in Coding, JavaScript For Kids For Dummies, Writing Computer Code, Coding with JavaScript For Dummies, Beginning HTML5 and CSS3 For Dummies, Webkit For Dummies, CIW E-Commerce Designer Certification Bible, and XHTML.

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