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Editorial Team
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Asked: 2026-05-16T05:25:06+00:00

In what seems to be random occurrences, javascript files are not loading . I

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In what seems to be random occurrences, javascript files are not loading.

I believe this diagnosis is correct because a) I have code to check, b) I’ve stepped through the code, and c) I get “’myfunction’ is undefined” error when functions in those files are used.

Sometimes this doesn’t happen for an hour, sometimes it happens every time I load the page, sometimes it happens every other time I load the page. It seems like every time I identify a consistent behavior so I can repeat it and diagnose it, it changes!

Does anybody have any idea what might be causing this?

I’m using :

  • IE version 7.0.5730.11 (had &
    uninstalled IE8 Beta)
  • VS2008

Right now, it appears to only be happening to my colleague and I on our development environments.

There is one script which appears to be missing more than any other. Here’s the script tag.

<script language="javascript" 
        type="text/javascript" 
        src="js/Ajax.Utility.js?<%= ConfigurationManager.AppSettings["WebApp.JavaScript.FileVersion"].ToString() %>"></script>

Which evaluates to 

<script language="javascript" 
        type="text/javascript" 
        src="js/Ajax.Utility.js?090324a"></script>

The version query string parameter doesn’t appear to have any effect either since I’ve both had and not had the problem immediately after changing it.

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1 Answer

  1. Editorial Team

    Just an FYI for anybody having the same problem.

    This was never resolved, but I now believe it had something to do with Visual Studio Development Server, and I question if this would have happened had I been using IIS. Unfortunately, I no longer work on that project, so I cannot test it.

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