Review JavaScript Fundamentals by Building a Gradebook App - Step 2

JavaScript
1

Tell us what’s happening:

the code which i wrote is showing error in test while score is 78 but i have created a log with function getGrade(78) in online compiler then it came fine without error. it showing error in this compiler because i did something wrong or is there anything else ?

Your code so far

function getAverage(scores) {
  let sum = 0;

  for (const score of scores) {
    sum += score;
  }

  return sum / scores.length;
}

// User Editable Region

function getGrade(score) {
  let grade;
  if(score===100){
    grade = "A++" ;
  }
  else if(score >= 90 && score <= 99){
    grade = "A";
  }
  else if(score >= 80 && score <= 89){
    grade = "B";
  }
  else if(score > 71 && score < 80){
    grade = "c";
  }
  else if(score >= 60 && score <= 69){
    grade = "D";
  }
  else{
    grade = "F";
  }
  return grade;

}

console.log(getGrade(96));
console.log(getGrade(82));
console.log(getGrade(56));

// User Editable Region

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0

Challenge Information:

Review JavaScript Fundamentals by Building a Gradebook App - Step 2

2

Your code is failing because your ‘C’ grade is in lowercase.
Your logic is also unnecessarily verbose, as the && conditions are redundant:

// this clause ...
if(score===100) {
    grade = "A++" ;
  } else if(score >= 90 && score <= 99) {
    grade = "A";
  }

// is equivalent to
if(score===100) {
    grade = "A++" ;
  } else if(score >= 90) {
    grade = "A";
  }
3

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