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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION: MessageEvent.source for bound postMessage() is wrong for same-origin iframe"
href="https://bugs.webkit.org/show_bug.cgi?id=163412#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION: MessageEvent.source for bound postMessage() is wrong for same-origin iframe"
href="https://bugs.webkit.org/show_bug.cgi?id=163412">bug 163412</a>
from <span class="vcard"><a class="email" href="mailto:dbates@webkit.org" title="Daniel Bates <dbates@webkit.org>"> <span class="fn">Daniel Bates</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=297469" name="attach_297469" title="Example">attachment 297469</a> <a href="attachment.cgi?id=297469&action=edit" title="Example">[details]</a></span>
Example
Attached page that demonstrates this issue. Running the example in Safari version Version 10.0 (12602.1.50.0.10) I see "Got message from A: hello". In Chrome for Mac version 56.0.2924.28 beta (64-bit) and Firefox for Mac version 49.0.1 I see "Got message from B: hello". The expected result should be the latter, "Got message from B: hello".</pre>
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