Re: [whatwg/dom] Standardize certain Microsoft event extensions (#334)

Slight weirdness in WebKit, returnValue property is both on BeforeUnloadEvent and the base Event (likely for backward compatibility reasons from when we did not have BeforeUnloadEvent).

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/whatwg/dom/issues/334#issuecomment-281401818

Received on Tuesday, 21 February 2017 16:45:58 UTC