wutthink

lol.js

// ---- My Solution ----- //

const studentGrades = [
  { name: 'Joe', grade: 88 },
  { name: 'Jen', grade: 94 },
  { name: 'Steph', grade: 77 },
  { name: 'Allen', grade: 60 },
  { name: 'Gina', grade: 54 }
];

function studentGreeting(student) {
  if (student.grade >= 90) {
    return `Excellent Job ${student.name}, you got an a.`
  } else if (student.grade >= 80) {
    return `Nice Job ${student.name}, you got an b.`
  } else if (student.grade >= 70) {
    return `Well done ${student.name}, you got an c.`
  } else if (student.grade >= 60) {
    return `What happened ${student.name}, you got an d.`
  } else {
    return `Not good ${student.name}, you got an f.`
  }
}

const returnedStudents = studentGrades.map(studentGreeting)

// -------- Suggested Solution ------- // 

const studentGrades = [ 
  {name: 'Joe', grade: 88},
  {name: 'Jen', grade: 94},
  {name: 'Steph', grade: 77},
  {name: 'Allen', grade: 60},
  {name: 'Gina', grade: 54}, 
];

const messages = {
  a: 'Excellent Job',
  b: 'Nice Job',
  c: 'Well done',
  d: 'What happened',
  f: 'Not good',
};

function letterGrade(points){
  if(points >= 90){
    return 'a';
  } else if (points >= 80){
    return 'b'; 
  } else if (points >= 70){
    return 'c'; 
  } else if (points >= 60){
    return 'd'; 
  } else {
    return 'f'; 
  }
}

function feedBack(feedBackRules){
  return function(student){
    const grade = letterGrade(student.grade);
    const message = feedBackRules[grade];
    return `${message} ${student.name}, you got an ${grade}`;
  }
}

const gradeFeedback = studentGrades.map(feedBack(messages));