Quick sort

by Anuradha Pai

JavaScript

function quicksort(arr) {
  var pivot = [],
    less = [],
    more = [];
  if (arr.length < 1) {
    return arr;
  } else {
    p = arr[0];
    for (var i = 0; i < arr.length; i++) {
      if (arr[i] > p) {
        more.push(arr[i]);
      } else if (arr[i] < p) {
        less.push(arr[i]);
      } else pivot.push(arr[i]);
    }
    less = quicksort(less);
    more = quicksort(more);
    return less.concat(pivot, more);
  }
}

console.log(quicksort([23, 45, 245, 4, 12234, 12445, 1, 3, 5]));