1. Dart
2. dart:html
3. Metadata
4. modificationTime property

##### Metadata class

1. Properties
2. hashCode
3. modificationTime
4. runtimeType
5. size
6. Methods
7. noSuchMethod
8. toString
9. Operators
10. operator ==

description

# modificationTime property Null safety

DateTime modificationTime

## Implementation

    DateTime get modificationTime =>
        convertNativeToDart_DateTime(this._get_modificationTime);