index
Gets the index of any item in the inventory, and returns the slot number. Returns -1 if the inventory does not contain the item.
Return
the index of the given item
Parameters
item
the item to check for
Gets the index of any item in the inventory with matching ID, and returns the slot number. Returns -1 if the inventory does not contain the item.
Return
the index of the given item with ID
Parameters
id
the item ID to check for