Exercise 3: Debugging Missing Packages

Learning Objectives

• recognize the error message when your program is missing a package
• be able to fix the error by installing the necessary package

Prerequisites

• you should have Node.js >= v4 installed
• you should have npm v2 or v3 installed

Instructions

1. Create a directory called exercise3
2. Change into that directory using cd exercise3
3. Create a file called index.js

4. Cut and paste this code into index.js:

   var _ =  require('lodash');
   

5. Run your program.
6. Fix the error!

Hints

• You can run a Node.js program by typing node <js-file-name where js-file-name is the name of a .js file, e.g. index, index.js