Closed Bug 1404667 Opened 8 years ago Closed 8 years ago

TypeError: can't redefine non-configurable property "getElementsByName"

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(bugzilla.mozilla.org :: Bug Creation/Editing, enhancement)

Production
enhancement
Not set
normal

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()

RESOLVED INVALID

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(Reporter: mozilla, Unassigned)

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(1 file)

Attached image bugzilla_bug.gif
Trying to file a bug via https://bugzilla.mozilla.org/enter_bug.cgi?format=guided using Firefox Developer Edition 57 produces TypeError: can't redefine non-configurable property "getElementsByName" Nothing else happens, it's not possible to file a bug on that page.
Thank you for the report, running into another bug when trying to report a bug is frustrating! I am unable to replicate with a fresh profile in Developer Edition 57.0b3 on MacOS 10.13. Could you go to about:support, copy the text to clipboard and paste that as an attachment?
Flags: needinfo?(mozilla)
Turns out this was caused by the Canvas Defender plugin (https://addons.mozilla.org/en-US/firefox/addon/no-canvas-fingerprinting/ / @canvas-shadow). Sorry for the false report, I didn't notice this error on any other sites.
Status: UNCONFIRMED → RESOLVED
Closed: 8 years ago
Flags: needinfo?(mozilla)
Resolution: --- → INVALID
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