Ad
enw860vs.rantiev

Get sum of elements of array using Array.reduce function

Code
Diff
  • /* Array.reduce(
 * (accumulator, currentValue, currentIndex, array) => {
 * return accumulator + currentValue;
 * },
 * initialValue
 * );
 */
function sumOfElements(arr) { 
  if(arr==undefined) return 0;
  return arr.reduce((sum, currentValue) => sum + currentValue,0);
}
    • /* Array.reduce(
    • * (accumulator, currentValue, currentIndex, array) => {
    • * return accumulator + currentValue;
    • * },
    • * initialValue
    • * );
    • */
    • function sumOfElements(arr) {
    • return arr ? arr.reduce( (sum, currentValue) => sum + currentValue) : 0;
    • function sumOfElements(arr) {
    • if(arr==undefined) return 0;
    • return arr.reduce((sum, currentValue) => sum + currentValue,0);
    • }