Built-in Methods Lab

You've been tasked with improving some of the functionality of Canvas by building a few new functions that will help educators evaluate student submissions. Complete the functions in this Lab using what you've learned about built-in methods.

Getting started

1. Fork and clone this repository.

2. Navigate to the cloned repository's directory on your command line. Then, run the following command:

   npm install
   

   This will install the libraries needed to run the tests.

3. Open up the repository in VSCode. Follow the instructions below to complete the Lab.

Instructions

You'll complete three functions inside of the index.js file. For each function, you will need to use at least one built-in method. Each function is described in the index.js file and examples can be found in the tests.

Input data

When a function references assignments as a parameter, it's referring to an object with the following shape.

const assignments = {
  quizzes: [
    { title: "Arrays", score: { received: 4, max: 5 } },
    { title: "Objects", score: { received: 5, max: 6 } },
    { title: "Loops", score: { received: 2, max: 4 } },
  ],
  labs: [
    { title: "Arrays", score: { received: 0, max: 1 } },
    { title: "Objects", score: { received: 1, max: 1 } },
    { title: "Loops", score: { received: 1, max: 1 } },
  ],
  projects: [
    { title: "Music Box", score: { received: 14, max: 18 } },
    { title: "Calculator", score: { received: 12, max: 12 } },
  ],
};

The keys in the assignments object relate to different categories of assignments. Each category has as its value an array with any number of objects. Each object includes the following keys:

• title: The title of the assignment.
• score: An object representing what the student scored on an assignment.
• score.received: The actual value received on the assignment.
• score.max: The maximum value that could be received on the assignment.

If a function references score, it refers to the value of the score key inside of an object. For example:

{ received: 14, max: 18 }

Tests

To run the tests, you can run the following command from the command line. You will need to be in the root directory of your repository.

npm test

This will run the test output once.

Test watcher

If you'd like, you can have the tests run constantly. This means that each time you save your file, your tests will re-run. To do so, you can run the following:

npm run watch

Follow the on-screen prompts to exit out of the constant runner.