Answers for "array sum all values javascript"

sum of all numbers in an array javascript

const arrSum = arr => arr.reduce((a,b) => a + b, 0)

javascript sum of array

const sum = arr => arr.reduce((a, b) => a + b, 0);

sum all values of an array

function array(arr){
   var sum = 0;
   for (var i = 0; i< arr.length; i++){
    sum += arr[i];
   }
   console.log(sum);
 }
 array([5, 1, 3, 3])