US Patent 9953014 Collection management in document object model virtualization

Providing interaction to an application with a collection of information stored in a Document Object Model is disclosed. The collection is maintained in the Document Object Model. A virtualization layer provides one or more collection interfaces to the collection. An indication of an interaction of the application with the collection is received. The collection interfaces include a safety buffer and the interaction of the application with the safety buffer triggers a functionality of the virtualization layer.