Node.js and npm

We’ll be using Node.js and the related npm (Node Package Manager) utility throughout this course. For example, many of the sample command-line utilities are written in Node.js and are installed and updated using npm. We first refer to these two important tools in Modeling APIs.

Checking for Node.js

You may already have Node.js and npm installed. You can check on this by typing the following on the command line:

node -v

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