Closed
Bug 913420
Opened 12 years ago
Closed 12 years ago
Changing prototype of DOM proxy (e.g. select element) throws exception
Categories
(Core :: JavaScript Engine, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 889198
People
(Reporter: medikoo+mozilla.org, Unassigned)
Details
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:23.0) Gecko/20100101 Firefox/23.0 (Beta/Release)
Build ID: 20130814063812
Steps to reproduce:
Try:
document.createElement('select').__proto__ = {};
Actual results:
It results with:
TypeError: anonymous method called on incompatible Proxy
Expected results:
It should just assign plain object as prototype of select.
It crashes only on <select> elements.
It worked in older versions of Firefox, now it crashes in both stable and nightly channel
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Updated•12 years ago
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Assignee: nobody → general
Status: UNCONFIRMED → RESOLVED
Closed: 12 years ago
Component: DOM: Core & HTML → JavaScript Engine
Resolution: --- → DUPLICATE
Summary: Changing prototype of select element throws exception → Changing prototype of DOM proxy (e.g. select element) throws exception
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Description
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