1. Dart
2. dart:indexed_db
3. IdbFactory
4. cmp method

##### IdbFactory class

1. Properties
2. hashCode
3. runtimeType
4. supportsDatabaseNames
5. Methods
6. cmp
7. deleteDatabase
8. noSuchMethod
9. open
10. toString
11. Operators
12. operator ==
13. Static properties
14. supported

description

# cmp method Null safety

int cmp (

1. Object first,
2. Object second

)

## Implementation

    int cmp(Object first, Object second) native;