null created by smakar20 - https://repl.it/Kx1O/0

Kx1O-0.js

function ArrayAdditionI(arr) { 

  // code goes here 
  var sortedArr = arr.sort(function(a, b) {
  return a - b}), sum = 0, numMap = {}
  console.log("sortedArr: ", sortedArr)
  for(var i = 0; i< sortedArr.length-1; i++){
      sum += sortedArr[i]
      numMap[sortedArr[i]] = sortedArr[i]
      if(sum == sortedArr[sortedArr.length-1] || numMap[sum - sortedArr[sortedArr.length-1]] != undefined) return "true"
  }
  return "false" 
}


ArrayAdditionI([4, 6, 23, 10, 1, 3])