1. Dart
2. dart:html
3. SpeechSynthesisEvent
4. elapsedTime property

##### SpeechSynthesisEvent class

1. Properties
2. bubbles
3. cancelable
4. charIndex
5. composed
6. currentTarget
7. defaultPrevented
8. elapsedTime
9. eventPhase
10. hashCode
11. isTrusted
12. matchingTarget
13. name
14. path
15. runtimeType
16. target
17. timeStamp
18. type
19. utterance
20. Methods
21. composedPath
22. noSuchMethod
23. preventDefault
24. stopImmediatePropagation
25. stopPropagation
26. toString
27. Operators
28. operator ==

description

# elapsedTime property Null safety

num? elapsedTime

## Implementation

    num? get elapsedTime native;