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[scriptable, uuid(95cc1383-3b62-4b89-aaef-1004a513ef47)]

  
interface nsIDOMStorage : nsISupports







  
    
Attributes

    

  
      

        
 The number of keys stored.


        


  
  readonly attribute
  unsigned long
  length


      

  
    

  


  
    
Methods

    

  
      

        
 Retrieve an item with a given key

 @param key key to retrieve
 @returns found item or null if the key was not found


        


  
  nsIDOMStorageItem
  getItem(in DOMString key)


      

  

  
      

        
 Retrieve the name of the key at a particular index.

 @param index index of the item to retrieve
 @returns the key at index
 @throws INDEX_SIZE_ERR if there is no key at that index


        


  
  DOMString
  key(in unsigned long index)


      

  

  
      

        
 Remove a key and its corresponding value.

 @param key key to remove


        


  
  void
  removeItem(in DOMString key)


      

  

  
      

        
 Assign a value with a key. If the key does not exist already, a new
 key is added associated with that value. If the key already exists,
 then the existing value is replaced with a new value.

 @param key key to set
 @param data data to associate with the key
 @returns found item or null if the key was not found


        


  
  void
  setItem(in DOMString key, in DOMString data)