ds-algo-study/Resources/My-Data-Structures-Notes/tiny-prac-probs/problems/04-arrow-average-value.js

Just experimenting with publishing a package

/***********************************************************************
Write a function using fat arrow syntax, `arrowAvgValue(array)` that takes in an
array of numbers and returns the average number. Assign the below function to a
variable using the const keyword.

Examples:

arrowAvgValue([10, 20]); // => 15
arrowAvgValue([2, 3, 7]); // => 4
arrowAvgValue([100, 60, 64]); // => 74.66666666666667
***********************************************************************/

const arrowAvgValue = array => {
  let sum = array.reduce((el, sum = 0) => (sum += el));

  let avg = sum / array.length;
  return avg;
};


module.exports = arrowAvgValue;