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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Web IDL: DOM "onfoo" attributes should be configurable and enumerable"
href="https://bugs.webkit.org/show_bug.cgi?id=149474#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Web IDL: DOM "onfoo" attributes should be configurable and enumerable"
href="https://bugs.webkit.org/show_bug.cgi?id=149474">bug 149474</a>
from <span class="vcard"><a class="email" href="mailto:cdumez@apple.com" title="Chris Dumez <cdumez@apple.com>"> <span class="fn">Chris Dumez</span></a>
</span></b>
<pre>Yes, Window is defined with [PrimaryGlobal]:
<a href="https://html.spec.whatwg.org/multipage/browsers.html#the-window-object">https://html.spec.whatwg.org/multipage/browsers.html#the-window-object</a>
As per the Web IDL spec [1], if the interface has [Global] or [PrimaryGlobal], the attributes should be on the instance rather than the prototype.
However, our bindings generator currently has an exception that makes attributes that are on the instance non-configurable.
If an attribute is not enumerable, it likely means that it has [NotEnumerable] on it in the WebKit IDL because they should be enumerable by default.
[1] <a href="https://heycam.github.io/webidl/#es-attributes">https://heycam.github.io/webidl/#es-attributes</a></pre>
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