[Webkit-unassigned] [Bug 20135] New: onbeforeunload doesn't work when set with addEventListener

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20135

           Summary: onbeforeunload doesn't work when set with
                    addEventListener
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: PC
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ovafai at gmail.com


window.addEventListener('beforeunload', function(e) {
  (e || window.event).returnValue = "wot?";
  return "wot?";
}, true);

This should popup a dialog asking if I want to leave the page when I try to
navigate away. In WebKit, it only seems to do so if I set the handler using
window.onbeforeunload.


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