max sequence

maxsequence.js

var maxSequence = function(arr){
  var largestSum = 0;
  for (var i = 0; i < arr.length; i++) {
    for (var j = i+1; j <= arr.length; j++) {
      var currentSeq = arr.slice(i, j);
      var currentSum = currentSeq.reduce(function(a,b) {
        return a + b; 
      }, 0);
      if (currentSum > largestSum) { largestSum = currentSum; }
    }
  }
  return largestSum;
};