27 replies

How to access the last value?

So, basically this is my code:

function getAverage(scores) {
  let value = 0;
  for (let x in scores){
    value += scores[x] / scores.length;
    console.log(value);
  };
} 

console.log(getAverage([92, 88, 12, 77, 57, 100, 67, 38, 97, 89])) 
//right here should print 71.7

function getAverage(scores) {
  let value = 0;
  for (let x in scores){
    value += scores[x] / scores.length;
    console.log(value);
  };
} 

console.log(getAverage([92, 88, 12, 77, 57, 100, 67, 38, 97, 89])) 
//right here should print 71.7

function getAverage(scores) {
  let value = 0;
  for (let x in scores){
    value += scores[x] / scores.length;
    console.log(value);
  };
} 

console.log(getAverage([92, 88, 12, 77, 57, 100, 67, 38, 97, 89])) 
//right here should print 71.7

function getAverage(scores) {
  let value = 0;
  for (let x in scores){
    value += scores[x] / scores.length;
    console.log(value);
  };
} 

console.log(getAverage([92, 88, 12, 77, 57, 100, 67, 38, 97, 89])) 
//right here should print 71.7

And here is the output:

18
19.2
26.9
32.6
42.6
49.300000000000004
53.1
62.8
71.7
undefined

18
19.2
26.9
32.6
42.6
49.300000000000004
53.1
62.8
71.7
undefined

18
19.2
26.9
32.6
42.6
49.300000000000004
53.1
62.8
71.7
undefined

18
19.2
26.9
32.6
42.6
49.300000000000004
53.1
62.8
71.7
undefined

I have two issues. First, why is giving underfined ? And everytime i change the console.log(value) to return value is not returning the others values, always end on the 9.2, so i'm kinda lost on it. Sorry if i explained bad, english is not my first language

How to access the last value?

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