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function checkSum(groupOfInputs, maxValue) {
    groupOfInputs = $(groupOfInputs);
    groupOfInputs.on('change keyup paste', function() {
        $this = $(this);
        var values = groupOfInputs.map(function() {return $(this).val();}).get();
        var sum = values.reduce(function(one, two) {
            return Number(one) + Number(two);
        });
        if (sum > maxValue) {
            alert('Too big!');

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// Init a source array contains numbers 0-35
var source = Array.apply(null, {length: 36}).map(Number.call, Number);

// Init the result array as undefined using the arguments pseudo array.
var result = Array.apply(null, {length: 100});

// The magic
result = result.map(function(val, index) {
  return source[index % source.length];
});

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console.log(
  Array.apply(null, {length: 100}).map(function(val, index) {
    return (++index%3?'':'Fizz')+(index%5?'':'Buzz')||index;
  }).join('\n')
);

console.log(
  Array.apply(null, {length: 100}).map(function(val, index) {
    index++;
    if (index % 15 == 0){return "FizzBuzz";}

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module.exports = function checkBal(input) {
  function match(left, right) {
      return left === '(' && right === ')';
  }
  function removeLast(ar) {
      return ar.slice(0, ar.length - 1);
  }
  var result = input.split('').reduce(function(prev, curr, index, array) {
    if (!prev.length) return [curr];
    if (match(prev[prev.length -1], curr)) return removeLast(prev);

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function fakePromise(id) {
  var deferred = $.Deferred();
  setTimeout(function() {
    console.log(id + ' is done');
    deferred.resolve(id);
  }, Math.random() * (1000 - 500) + 500);
  return deferred.promise();
}

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String.prototype.repeatify = function(x) {
  // Array.apply(null, {length: x}) creates an array of undefined values with length x
  return Array.apply(null, {length: x}).map(() => this).join('');
};
// or a better but less fun solution
String.prototype.repeatify = function(x) {
  return Array(x + 1).join(this);
};
console.log('hi'.repeatify(10));

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function biggestGap(values) {
  
  function diff(curr, before) {
    return curr - Math.min.apply(null, before);
  }
  
  function diffs(values) {
    return values.map(function(x, i, ar) {
      return diff(x, ar.slice(0, i));
    });

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function isInt(x) {
  return (typeof x === 'number') && (x % 1 === 0);
}

function flatten(ar) {
  return ar.reduce(function(prev, curr) {
    return prev.concat((Array.isArray(curr) ? flatten(curr) : curr));
  }, []);
}

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const check = (char, ind, word) => ~word.slice(0, ind).indexOf(char) 
  || ~word.slice(ind + 1).indexOf(char) ? ')' : '(';

function duplicateEncode(word) {
	return word
  	.toLowerCase()
    .split('')
    .map(check)
    .join('');
}

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var durations = ["12:38", "6:36", "9:03", "8:34", "5:02", "6:54", "13:22", "4:41", "8:36", "21:58", "3:06", "10:46", "10:13", "12:54", "14:00", "11:03", "16:03", "10:52", "24:53", "10:03", "11:49", "15:47", "3:19", "2:06", "5:47", "1:03", "5:29", "5:47", "26:39"];

// write a function that will take the above array of string durations and convert it hours/mins/seconds
// You can use any JS you want - loops/map/reduce/etc...

function addDurations(acc, curr) {
  const [ seconds = 0, minutes = 0, hours = 0] = curr.split(':')
    .reverse().map((x) => parseInt(x, 10));
  return acc += hours * 3600 + minutes * 60 + seconds;
}