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Editorial Team
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Asked: 2026-05-14T07:34:46+00:00

I am working on a relatively complex JavaScript-driven website. It runs great in all

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I am working on a relatively complex JavaScript-driven website. It runs great in all browsers except Internet Explorer (7, this particular version is our corporate standard). I am getting this very curious error:

“A Runtime Error has occurred. Do you wish to Debug? Line: 93,865,600. Error: Expected ‘;'”

The issue is, I don’t have 93 million lines of code, and clicking “Yes” doesn’t attach to Visual Studio like it normally does.

I can click on ‘No’ and the website continues to run fine, but if a user doesn’t have JavaScript debugging disabled, I don’t want them to see this meaningless error.

Suggestions/Tools/Plugins to get to the bottom of this?

And yeah, I learned my lesson, switch over and check my project in Internet Explorer more often…

Thanks,

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1 Answer

  1. Editorial Team

    It’s not strictly a debugging tool, but I wouldn’t be surprised if Ajax DynaTrace helped you track down the weirdness.

    http://ajax.dynatrace.com/pages/learn/solution-tour/ajax-performance-diagnostics.aspx

    Also, run your code through JSLint. The error message makes it sound like you have a subtle syntax error that some browsers tolerate.

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