arastu

Array.prototype.shuffle = function () {
  var copy = this.concat()
  var currentIndex = copy.length
  
  while (currentIndex !== 0) {
    let randomIndex = Math.floor(currentIndex * Math.random())
    currentIndex--

    let temp = copy[currentIndex]
    copy[currentIndex] = copy[randomIndex]

tjmehta

function objectToQuerystring (obj) {
  return Object.keys.reduce(function (str, key, i) {
    var delimiter, val;
    delimiter = (i === 0) ? '?' : '&';
    key = encodeURIComponent(key);
    val = encodeURIComponent(obj[key]);
    return [str, delimiter, key, '=', val].join('');
  }, '');
}