/*** Javascript code to find odd numbers and remove it withput using loops, filters or naive menthods ***/

var array1 = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 100, 112, 113];   //example array of integers
function DisplayArray(array1, onpop)
  {
      var value = array1.pop();

       onpop(val);                               //popping each value in the given array

    if (array1.length > 0)                      //check the length of the array
      DisplayArray(arr, onpop);                //Call the function recursively to access each value in the given array without using loops
}

var CollectAray = [];
DisplayArray(a, function(arrayvalue)
   {
      if (arrayvalue % 2 === 0)
        CollectArray.push(arrayvalue);           //push the array value if it is even, thus leaving out odd numbers
    }
 );