sum-all-numbers-in-array

index.js

function sumItems(array) {
  // console.log(typeof 1)
  // let isAllNumbers = array.every(x => (typeof x === 'number'));
  // console.log(isAllNumbers);
  let sum = 0;
  array.forEach(function(x){
    if (typeof x === 'number') {
      sum += x;
    } else {
      sum += sumItems(x);
    }
  });
  // if (isAllNumbers === true) {
  //   return array.reduce((a, b) => a + b);
  // } 
  return sum;
};
let arr1 = [1, 2, 3, [4,3], 5];
let arr2 = [[1, 2, [[3], 4]], 5, []];
let arr3 = [[[[[[[[[[[[[1]]]]]]]]]]]]];
console.log(sumItems(arr1));
console.log(sumItems(arr2));
console.log(sumItems(arr3));
module.exports = sumItems;