lesson2.md

Lesson 2 - Running a JS script in the command line

Exercise 2.1

1. Create a new file called lesson2.js

2. Add this content into the file:

   const readline = require('readline');
   
   const rl = readline.createInterface({
     input: process.stdin,
     output: process.stdout
   });
   
   rl.question('What is your name? ', (answer) => {
     console.log('Your name is ' + answer + '!');
   
     rl.close();
   });

3. Save the file.

4. Open up your Terminal (or Command Prompt in Windows).

5. Change directory to the folder where you kept the file.

6. Type:

   node lesson2.js

7. See what happens.

Further Reading

• https://nodejs.org/dist/latest-v10.x/docs/api/cli.html

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Next: Lesson 3 - Intro to NPM ≫