Created
May 29, 2019 09:35
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| module.exports = (answers, studentAns) => { | |
| if (answers.length !== studentAns.length) { | |
| return 'Arrays must be of the same length'; | |
| } | |
| let sum = 0; | |
| for (let i = 0; i < answers.length; i++) { | |
| if (answers[i] === studentAns[i]) { | |
| sum += 4; | |
| } else if (studentAns[i] !== ' ') { | |
| sum -= 1; | |
| } | |
| } | |
| sum = sum < 0 ? 0 : sum; | |
| return sum; | |
| }; |
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A function that computes results given two arrays, an answer array, and a student answer array