Closed
Bug 1176199
Opened 9 years ago
Closed 9 years ago
Allow duplicate property keys in Proxy ownKeys trap
Categories
(Core :: JavaScript Engine, defect)
Core
JavaScript Engine
Tracking
()
RESOLVED
DUPLICATE
of bug 1049662
| Tracking | Status | |
|---|---|---|
| firefox41 | --- | affected |
People
(Reporter: anba, Unassigned)
References
(Blocks 1 open bug)
Details
---
js> Object.getOwnPropertyNames(new Proxy({}, {ownKeys: () => ["a", "a"]}))
typein:1:0 TypeError: trap ownKeys for Object.getOwnPropertyNames(...) returned an invalid result
---
Expected: Returns array object [ "a", "a" ]
Actual: Throws TypeError
|
||
Updated•9 years ago
|
Status: NEW → RESOLVED
Closed: 9 years ago
Resolution: --- → DUPLICATE
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Description
•