Creates an image element from an item created using the given key name.
The dispose method cleans up all stored data.
Auto-generate image file name.
When passed a key name, will return base64-encoded key's value, or null if the key does not exist
When passed a key name, will return that key's value, or null if the key does not exist.
Releases all objects that have been created for the active document. This method is called automatically when the active document is closed.
Removes key from the given Storage object if it exists.
When passed a key name and value, will add that key to the given Storage object, or update that key's value if it already exists.
Data storage for the active document.