FB is not defined in Firefox 4

FB is not defined in Firefox 4, but works with lower versions of Firefox, Internet Explorer, Chrome, Safari. I tried downloading async and the following solutions mentioned here.

FB not defined error in Firefox 4

How is the "FB undefined" bypass?

I also removed the extensions that might cause this, like AdBlock.

Has anyone here experienced the same thing? I don’t know what I could miss ... oh boy ...

Also, I have a lot of errors in Firefox 4 when I visit other websites ... makes me wonder if the FB error has been detected - a Firefox error or something else ...

Person!

I would really appreciate any opinions or suggestions ... Thank you!

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1 answer

, , , , FB head.

<head>
    <script src="http://connect.facebook.net/en_US/all.js" language="Javascript" type="text/javascript"></script>
    ...
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