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killshot13vs.poacosta87

Add numbers of an array

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