Reversing an array

/* 
  My answer for exercise 'Reversing an array'
  in Eloquent JavaScript Second Edition
  Chapter 4 Data Structures: Objects and Arrays 
*/



function reverseArray(array) {
  var output = [];
 for (var i = array.length - 1; i >= 0; i--) {
   
   output += array[i];
  
  

 }
  return output.split("");
}

function reverseArrayInPlace(array) {
 array.sort(function(a, b){return b-a});
  return array;
}