source
Summary
On getting, returns the IDBObjectStore or IDBIndex that the cursor is iterating. This function never returns null or throws an exception, even if the cursor is currently being iterated, has iterated past its end, or its transaction is not active.
Property of apis/indexeddb/IDBCursorapis/indexeddb/IDBCursor
Syntax
Note: This property is read-only.
var result = element.source;