Destroy() method didn't fully remove events

version: latest: v-0.16.3. important: update from v-0.15.9 to v-0.16.3 while keep everything same, the error will show in console: This error show there is a errro in function getFrameOffset, near position: e.ownerDocument.defaultView.frameElement: Refer to This Code Line Checking the error stack will track to This Code Line Expected: no error reported. Impact: I do not get specific negitive impact, only show the error. Reproduce: I integrate with Vue usage + webpack, hard to really reproduce, to debug this probaly check:simply add check chain to avoid TypeError:if this frameElement is requir...