Answers for "array add all elements"

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)
)

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
}