Javascript Array reduce() sum array

Introduction

Refactor the code below using reduce(). 

var numbers = [1, 2, 4, 2];
var sum = 0;
for (var i = 0; i < numbers.length; i++) {
   sum += numbers[i];
}
console.log(sum);

var numbers = [1, 2, 4, 2];

var sum = numbers.reduce(function(accumulator, value) {
  return accumulator + value;
})

console.log(sum);// w w w.  j  ava2  s . c o m



PreviousNext

Related