nsIDOMStorage2 interface represents the storage space used for local storage in the DOM. Items stored in local storage may only be accessed by the same origin that created the items in the first place.
A DOM window's local storage object can be retrieved from the window's
| || ||The number of keys stored in local storage.|
Clears the contents of this storage context; this removes all values bound to the domain or origin.
Returns from local storage the data corresponding to the specified key.
DOMString getItem( in DOMString key );
- The key for which data should be returned.
A string containing the data corresponding to the specified key, or
null if no data exists for the given key.
Returns the key for the item stored at the specified index in the data store.
DOMString key( in unsigned long index );
- The index for which the corresponding key should be returned.
A string containing the requested key.
- There is no key at the specified index.
Given a key, removes the corresponding entry from local storage.
void removeItem( in DOMString key );
- The key for which data should be removed from storage.
Sets the value corresponding to a given key. If the key does not already exist, a new key is added, associated with the specified value. If the key already exists, the existing value is replaced with the specified value.
void setItem( in DOMString key, in DOMString data );
- The key for which data should be set.
- The data to associate with the specified