StorageEvent

void initStorageEvent(
    in DOMString typeArg,
    in boolean canBubbleArg,
    in boolean cancelableArg,
    in DOMString keyArg,
    in DOMString oldValueArg,
    in DOMString newValueArg,
    in DOMString uriArg,
    in DOMWindow sourceArg); 

readonly attribute DOMString key; 

readonly attribute DOMString newValue; 

readonly attribute DOMString oldValue; 

readonly attribute DOMWindow source; 

readonly attribute DOMString uri;