JAVASCRIPT / INSTANCE PROPERTYPromise
Promise .prototype .finally
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Legacy observations · test dates were not recorded. Versions shown are those tested, not the latest browser releases.
Chrome
- 66Present
- 65Present
- 64Present
- 63Present
- 62Absent
- 61Absent
- 60Absent
- 59Absent
Edge
- 16Absent
- 15Absent
- 14Absent
- 13Absent
Firefox
- 59Present
- 58Present
- 57Absent
- 56Absent
- 55Absent
- 54Absent
- 53Absent
- 52Absent
Safari
- 11Absent
- 10.1Absent
- 10Absent
- 9.1Absent
- 9Absent
- 8Absent
- 7Absent
iOS Safari
- 11.0Absent
- 11Absent
- 10Absent
- 9Absent
Chrome Android
- 65Present
PresentAbsentUnknownPresence ≠ a correct implementation.