F12 variables become non-interactive in script window with webworker after F5-Refresh

Fixed Issue #639088


Jul 22, 2014
This issue is public.
Reported by 0 people

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Steps to reproduce


Repro Steps:


[1] launch the demo https://googledrive.com/host/0B8BLd2qPPV7XME1rNU9iWnYtbTg/ded-worker-F12throw.html
[2] launch F12
[3] F5 refresh
[4] click radio button twice to select the ordinary http Worker URL: ded-worker-ObjTest.js (the blob: and dataURL options don’t work with IE11)
[5] click [Throw!] button
[6] with debugger now breakpointed, type any expressions into javascript console, like say, var x=1
[7] nothing evaluates, no response. that’s the bug.

[8] close then reopen F12
[9] click [Throw!] button again
[10] now with debugger breakpointed, type any expressions into javascript console, like say, var x=1
[11] result appears below. works fine now.

[12] click F5 refresh and repeat steps to see it break again.

note: you don’t actually need to throw an exception to repro this bug. any breakpoint into the webworker will do, after F5 refresh.

Expected Results:

console variables should be interactive.

eg, type x=1. should echo back 1.

Actual Results:

does not evaluate until you close and reopen F12

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Tony S.”

      Changed Assigned To to “Martyn L.”

      Changed Assigned To from “Martyn L.” to “Andy S.”

      Changed Status to “Confirmed”

      Changed Assigned To from “Andy S.” to “IE F.”

      Changed Status from “Confirmed” to “Fixed”

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