[whatwg] Storage.getItem() question

[Ian Hickson]

On Thu, 4 May 2006, Johnny Stenback wrote:
> 
> --
> The getItem(key) method must return the StorageItem object representing the
> key/value pair with the given key. If the given key does not exist in the list
> associated with the object, or is not accessible, then this method must return
> null. Subsequent calls to this method with the same key must return different
> instances of the StorageItem  interface.
> --
> 
> The first sentence makes sense, but the last one conflicts with the 
> first one and doesn't make sense to me. Why would each call to getItem() 
> for the same key need to return a separate instance of the StorageItem 
> interface?

I just tried to fix this by saying that it should always return the same 
object, except when the script is from another security context, but I 
have no idea what that means. Could you provide me with a definition that 
exactly matches what Mozilla actually does? (From a JS point of view, not 
from the C++ point of view.)

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'