I accidentally upvoted an answer and I was looking for a way to cancel it, but the only thing I can do is downvote. I'm I missing something or this feature is not implemented?
4 Answers
Clicking the upvote arrow again will undo the upvote (the same with the downvote arrow and a downvote). However, if you do not undo your up or downvote within 5 minutes after casting it, you cannot undo the vote until or unless the post is edited.
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1Guess it's too late now to undo the upvote then... lucky guy.– CarloCommented Sep 17, 2009 at 21:40
you can click on upvote link again, and if you're quick enough you vote will be canceled. I'm usually not that quick.
If you hover over the upvote or downvote triangle, you will get a tooltip that says "... (click again to undo)"