Created
April 21, 2018 21:11
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wutthink
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// ---- 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)); |
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