Strange behavior of the IE11's javascript engine on compat-mode. A function wrapping 'typeof' mis-detect an ActiveXObject.

By design Issue #107741

Details

Created
Apr 27, 2014
Privacy
This issue is public.
Found in build #
0.0011
Reports
Reported by 0 people

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Steps to reproduce

URL =

URL:

Repro Steps:

open the following URL in IE11.
http://106.186.119.112/ie11-emulateie7/

wrongly alert in the following order.

  1. true
  2. false x 11 times
  3. true
  4. false

Expected Results:

IE10 on EmulateIE7 and EmulateIE8 mode, correctly alert in the following order.

  1. false
  2. false x 11 times
  3. false
  4. false

Actual Results:

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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “IPBS P.”

      Changed Status to “By design”

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