TypeError when using HostObject with WeakMap

Confirmed Issue #12112572 • Assigned to Travis L.


Nolan L.
May 24, 2017
This issue is public.
Found in
  • Microsoft Edge
  • Internet Explorer
Reported by 7 people

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Steps to reproduce

To repro:

let map = new WeakMap();
map.set(window.location, ‘1’); // TypeError: WeakMap.prototype.set: ‘key’ is not an object



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “James M.”

      Changed Assigned To to “Travis L.”

      Changed Status to “Confirmed”

    • Hi Team,

      Is there an ETA (approx) on the bug fix?

    • Could really do with this being fixed. Any updates?

    • Hi Team,

      We have a customer that also faces this issue, when users open an email unsubscribe link in MS Edge. When can we expect this bug to be fixed?

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