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Editorial Team
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Asked: 2026-05-15T22:08:13+00:00

i have copied this code from the FB.init documentation : <script src=http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/en_US type=text/javascript></script> …

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i have copied this code from the FB.init documentation:

    <script src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/en_US" type="text/javascript"></script>

...
     <!-- facebook JS SDK init -->
            <div id="fb-root"></div>
            <script>
                window.fbAsyncInit = function() {
                    FB.init(
                    {
                        appId: '<?= FacebookHelper::FACEBOOK_APP_ID ?>',
                        status: true,
                        cookie: true,
                        xfbml: true
                    });
                };

                (function() {
                    var e = document.createElement('script');
                    e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
                    e.async = true;
                    document.getElementById('fb-root').appendChild(e);
                }());
            </script>

i placed it just before my </body> tag (as they recommend in the documentation), but i am getting this weird error (i can see via firebug):

b is undefined
[Break on this error] if(!window.FB)FB={};FB.forEach=functio...B.TypeLoader.subclass,FB.TypeLoader);

now, at first, i thought this must be a bug with my code, but the more i think about it, the more i remember hearing about some problems between firebug and facebook javascript. is that the problem, or am i forgetting something?

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1 Answer

  1. Editorial Team

    I think it is because you are including the older version of Facebook Connect. You don’t need to include it with the newer JS SDK:

    <script src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/en_US" type="text/javascript"></script>

    Also, Facebook recommends placing the asynchronous loading code right after the opening body tag, such as (but it’s your call):

    <body>
    <div id="fb-root"></div>
    <script>
      window.fbAsyncInit = function() {
        FB.init({
          appId  : 'YOUR APP ID',
          status : true, // check login status
          cookie : true, // enable cookies to allow the server to access the session
          xfbml  : true  // parse XFBML
        });
      };

      (function() {
        var e = document.createElement('script');
        e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
        e.async = true;
        document.getElementById('fb-root').appendChild(e);
      }());
    </script>
    ...
    ...
</body>

    Firebug doesn’t seem to be the issue here.

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