JavaScript Date constructor behaves differently across browsers

By design Issue #650446


Jul 28, 2014
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Steps to reproduce


Repro Steps:


  1. IMPORTANT: set the time zone of the PC to Europe/Amsterdam
  2. http://srvr-clw/bugs/67716 check console for return
  3. IE returned 3, FF returned 3, Chrome returned 1

Expected Results:

I’m not sure what the ECMA standard prescribes but I would expect consistent behaviour across environments. Preferably I would like to get return value 1 but I don’t know what the standard says.

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Tony S.”

      Changed Assigned To to “ChakraTriage”

      Changed Assigned To from “ChakraTriage” to “Andrei B.”

      Changed Assigned To from “Andrei B.” to “Brian T.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Brian T.” to “IE F.”

      Changed Status from “Confirmed” to “By design”

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