/* Reversing an array */
function reverseArray(array){
  let reArray = [];
  while(array.length){
    reArray.push(array.pop());
  }
  return reArray;
}

function reverseArrayInPlace(array){
  for(let i=0, len=array.length; i<Math.floor(len/2); i++){
    [array[i], array[array.length-1-i]] = [array[array.length-1-i], array[i]];
  }
  return array;
}