Dynamically adding a script[type=module] crashes the tab

Not reproducible Issue #9011688


Matthew P.
Sep 21, 2016
This issue is public.
Found in
  • Microsoft Edge
Found in build #
Reported by 1 person

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Steps to reproduce

  1. Open the provided index.html from a web server.
  2. Should log true or false depending on which version of Edge is being used (mine supports modules)

Instead it seems to cause the tab to crash (or something, can’t tell) and report "This page is having a problem loading".

The point of this script is to detect if the browser supports script[type=module].


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Comments and activity

  • Microsoft Edge Team

    Changed Assigned To to “Brad E.”

    Changed Status to “Not reproducible”

  • Thank you for the feedback on Edge.

    Testing this out I get false in the console when testing with Edge 14393.187 - Which is the current public stable version.  No crash to be seen, though.  

    Looking forward to more feedback from you going forward.

  • Hi Brad, I’m admittedly a little confused. I have been using the Insider builds which supports `

  • Hi Brad, just tested against 14.14936 which does support script[type=module] and I am seeing the crashing behavior as described. Sorry for getting the version number wrong in the original bug.

  • Any update on this?

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