Cycling through arrays meme JS

// our array (unsorted)
let array = [1,3,5,2,4,7,9,6,8,11,15,14,13,12];
// for loop
for(let i = 0; i < array.length; i++)
{

}
// reverse for loop
for(let i = array.length - 1; i >= 0; i--)
{

}
// for loop (JS Edition)
for(let i in array)
{

}
// better for loop (JS Edition)
for(let obj of array)
{

}
// simpler for loop (JS Edition)
array.forEach(obj=>{

});
// static function (Function)
function GetObject(x)
{
  if(!this.selectedObject || this.selectedObject != x) this.selectedObject = x;
  if(!this.selectedIndex) this.selectedIndex = 0;
  if(x[this.selectedIndex]) return x[this.selectedIndex++];
  else
  {
    this.selectedObject = null;
    this.selectedIndex = 0;
    return undefined;
  }
}
// static function (Usage)
let obj;
while(obj = GetObject(array)) {  }
// recursive function (LMAO)
function RecurseObject(array, i)
{
  let obj = array[i];
  if(array[++i])
    RecurseObject(i);
}