Programming Fundamentals: Primitive Data Types

Learning Objectives

• Introduction to the following Javascript Primitive Data Types
  • MDN - Javascript Primitive values
  • Number
  • String

Introduction

In this exercise you will learn how to manipulate the Javascript Number and String data types

Setup

• Fork this repository and clone your forked version to your machine

• Install dependencies by running the command below while in the project's root directory:

  npm ci

Instructions

• Read through the numbered comments in the following files to understand the requirements of this exercise.

  • src/numbers.js
  • src/strings.js

• Write your code directly below the numbered comment.

• Add console.log()s to get visibility on your solution and run the file with the command node src/<file>.js etc

• See src/example.js for some examples

Running tests

• To verify your solutions, run the test suite by running the npx jasmine command followed by the path to the corresponding test file for each src/*.js file above, eg:

  npx jasmine spec/numbers.spec.js

• Alternatively, run:

  npm test

• To begin with, almost all of the tests will fail - example tests, if they exist, will pass with a green . You'll see a number of red Fs in your console (possibly many), similar to the image below:

  

• Your solution is complete when the all the red Fs have been replaced with green .s in your console, as shown below:

  

Extensions

• Extension exercises can be found in the src/extensions directory with corresponding tests in the spec/extensions directory.

• To run the tests for the extensions, you can either run spec files individually as follows:

  npx jasmine spec/extensions/<file>.spec.js

• Alternatively, run:

  npm run test-extensions