JAVASCRIPT

sum of all numbers in an array javascript

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

add all elements in array javascript

console.log(
  [1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
  [].reduce((a, b) => a + b, 0)
)

sum all elements in array javascript

arr.reduce((a, b) => a + b)

addition of all elements of array in js

function addSum(array) { // call the function with your array parameter
   let solution = 0     
   for (let x = 0 ; x < array.length;x++) { // for loop
      solution = solution + array[x]
   }
   return solution
}

how to add all values of array together js

function addArrayNums(arr) {
	let total = 0;
	for (let i in arr) {
      total += arr[i];
    }
  return total;
}

adding all elements in an array javascript

values.reduce(function(a, b){return a+b;})