Javascript Function Creation Reverse an array

let reverseArray = function(x,indx,str) {
   return indx == 0 ? str : reverseArray(x,--indx,(str+= " " + x[indx]));;
}

let arr = new Array('apple','orange','peach','lime');
let str = reverseArray(arr,arr.length,"");
console.log(str);/* ww w.  j  av  a2 s . c o  m*/

let arr2 = ['car','boat','sun','computer'];
str = reverseArray(arr2,arr2.length,"");
console.log(str);