Extends expression performs differently on Edge

[Gareth Heyes]

Hi all

I hope you don't mind me posting this stuff. I enjoy finding these quirks.
This one alerts on Edge but not on other browsers.

1,class extends[]/alert(1){} // alerts on Edge, syntax error on other
browsers

Cheers
Gareth
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.mozilla.org/pipermail/es-discuss/attachments/20170524/b401c838/attachment.html>