JS | Array methods - map() - exercise

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JS | Array methods - map()

Get the Final Grade - Exercise

For the following exercise you can use ES5 or ES6 syntax, whichever you feel more comfortable with at this point.

Go ahead to Repl.it , using the code below as your starting point.

Introduction:

Imagine you are a Math teacher and you have to grade your students based on their performance on three projects. We got the info for each student in an object that looks like this:

{
  name: "Student Name",
  firstProject: 80,
  secondProject: 75,
  finalProject: 90
}

Task:

The whole class is represented as an array of objects (each object contains the data about that student).

Using the method map() we need to create a new array of objects. The objects will contain only student´s name, and their final grade, which will be the new property named finalGrade.

finalGrade should be the average of the score that the student had on 3 projects.

The formula for the finalGrade should look like this :

(firstProject + secondProject + finalProject) / 3

Expected Result:

/*
0: {name: "Tony Parker", finalGrade: 82}
1: {name: "Marc Barchini", finalGrade: 71}
2: {name: "Claudia Lopez", finalGrade: 80}
3: {name: "Alvaro Briattore", finalGrade: 81}
4: {name: "Isabel Ortega", finalGrade: 69}
5: {name: "Francisco Martinez", finalGrade: 74}
6: {name: "Jorge Carrillo", finalGrade: 83}
7: {name: "Miguel López", finalGrade: 77}
8: {name: "Carolina Perez", finalGrade: 75}
9: {name: "Ruben Pardo", finalGrade: 75}
*/

Go ahead to Repl.it, using the code below as your starting point.

index.js

const students = [
  {
    name: "Tony Parker",
    firstProject: 80,
    secondProject: 75,
    finalProject: 90
  },
  {
    name: "Marc Barchini",
    firstProject: 84,
    secondProject: 65,
    finalProject: 65
  },
  {
    name: "Claudia Lopez",
    firstProject: 45,
    secondProject: 95,
    finalProject: 99
  },
  {
    name: "Alvaro Briattore",
    firstProject: 82,
    secondProject: 92,
    finalProject: 70
  },
  {
    name: "Isabel Ortega",
    firstProject: 90,
    secondProject: 32,
    finalProject: 85
  },
  {
    name: "Francisco Martinez",
    firstProject: 90,
    secondProject: 55,
    finalProject: 78
  },
  {
    name: "Jorge Carrillo",
    firstProject: 83,
    secondProject: 77,
    finalProject: 90
  },
  {
    name: "Miguel López",
    firstProject: 80,
    secondProject: 75,
    finalProject: 75
  },
  {
    name: "Carolina Perez",
    firstProject: 85,
    secondProject: 72,
    finalProject: 67
  },
  {
    name: "Ruben Pardo",
    firstProject: 89,
    secondProject: 72,
    finalProject: 65
  }
];

const finalGrades = students.map( /* Your Code Here */);

console.log(finalGrades);