Promise object: toString() method returns "[object Object]" instead of the expected "[object Promise]"

Site Outreach Issue #4646435


Sep 18, 2015
This issue is public.
Reported by 0 people

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Steps to reproduce


Repro Steps:

Type the two lines into the console:
var p = new Promise(function () {});§;

And the result is "[object Object]" instead of "[object Promise]".

Expected Results:

The string "[object Promise]" is returned when the last line is executed.

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Rico M.”

      Changed Assigned To to “ChakraTriage”

      Changed Assigned To from “ChakraTriage” to “Brahma G.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Brahma G.” to “Taylor W.”

      Changed Assigned To from “Taylor W.” to “IE S.”

      Changed Status from “Confirmed” to “Site Outreach”

    • Hello,

      Thank you for providing this information about the issue. This issue has been resolved as “External” meaning the issue will require a new feature to be implemented or other work which is more significant than a typical bug. You might find new updates on this topic by visiting and and searching for related issues.

      Best Wishes,
      The MS Edge Team

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