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

Site Outreach Issue #4646435

Details

Created
Sep 18, 2015
Privacy
This issue is public.
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Steps to reproduce

URL:

Repro Steps:

Type the two lines into the console:
var p = new Promise(function () {});
Object.prototype.toString.call§;

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:

Yes

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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”

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