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Editorial Team
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Asked: 2026-05-22T12:39:06+00:00

I’m developing in Javascript for quite a long time now. Usually when I hit

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I’m developing in Javascript for quite a long time now. Usually when I hit an error in IE I know roughly where it originated even if the message received from IE is useless bunch of text. When I don’t know where the error originated, I usually try to “delete” parts of my code, until the error doesn’t repeat itself, and that start manually checking line by line until I find the error.

I’m sure that it’s far from the best approach, so I’d like to ask you how you debug error like these:
Errors on webpage - Internet Explorer

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1 Answer

  1. Editorial Team

    If you are using IE8+, you can press F12 on a page to open the Developers Tools.

    This contains a JavaScript debugger, much like Firebug & Chrome Dev Tools

    EDIT:
    In response to the comment under the question, if IE is throwing a cryptic error that you are unsure of, there is a couple of steps I would do.

    • Is it an IE only error? Does the same error occur in Firefox? Chrome?
    • Is the error occurring in a 3rd party library. If you believe it is, use an un-minified version of the library.
    • Can you replicate the error outside of your website? Can you make the error occur in a http://jsfiddle.net/ for instance?
    • If you still can’t narrow down the issue, post a question on SO with your code, any error messages, and expectations of the result.

    HTH

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