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Editorial Team
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Asked: 2026-05-13T20:17:54+00:00

I am developing my first Firefox extension and for that I need to get

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I am developing my first Firefox extension and for that I need to get the complete source code of the current page. How can I do that with XUL?

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1 Answer

  1. Editorial Team

    really looks like there is no way to get “all the sourcecode”. You may use

    document.documentElement.innerHTML

    to get the innerHTML of the top element (usually html). If you have a php error message like 

    <h3>fatal error</h3>
segfault

<html>
    <head>
        <title>bla</title>
        <script type="text/javascript">
            alert(document.documentElement.innerHTML);
        </script>
    </head>
    <body>
    </body>
</html>

    the innerHTML would be 

    <head>
<title>bla</title></head><body><h3>fatal error</h3>
segfault    
        <script type="text/javascript">
            alert(document.documentElement.innerHTML);
        </script></body>

    but the error message would still retain

    edit: documentElement is described here:
    https://developer.mozilla.org/en/DOM/document.documentElement

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