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AmirHesamivs.poacosta87

Add numbers of an array

Code
Diff
  • const addArr = (arr) => {
  let sum = arr.reduce((accumulator, currentValue) => accumulator + currentValue, 0);
  return sum || null;
};
    • const addArr = (arr) => {
    • let sum = 0;
    • for (let i = 0; i < arr.length; i++) {
    • sum += arr[i];
    • }
    • let sum = arr.reduce((accumulator, currentValue) => accumulator + currentValue, 0);
    • return sum || null;
    • };