javascript average array code example

Example 1: how to calculate average of array in javascript

const arrAvg = arr => arr.reduce((a,b) => a + b, 0) / arr.length

Example 2: average of an array js

const avg = arr => {
  const sum = arr.reduce((acc, cur) => acc + cur);
  const average = sum/arr.length;
  return average;
}

console.log(avg([1, 2, 3, 7, 8]));

Example 3: getting average of array javascript

var total = 0;
for(var i = 0; i < grades.length; i++) {
    total += grades[i];
}
var avg = total / grades.length;

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Javascript Example

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