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<script type="text/javascript">
  var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-XXXXX-X']);
  _gaq.push(['_trackPageview']);

  (function() {
    // <snip> Load the JS required to process the _gaq "queue".
  })();

</script>

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<script>
  window.FB = window.FB || {
    onReady: function() {
        // This is called when the code has loaded.
    }
  };

  // Load the SDK Asynchronously
  (function(d){
     // <snip>

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if(window.fbAsyncInit && !window.fbAsyncInit.hasRun){
    window.fbAsyncInit.hasRun = true;
    fbAsyncInit();
}

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<script>
  window.fbAsyncInit = function() {
    // <snip>
    // The FB object is now ready to use
  };

  // Load the SDK Asynchronously
  (function(d){
     // <snip>
     // Asynchronouly load Facebook's JS SDK

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<script src="http://platform.twitter.com/anywhere.js?id=YOUR_API_KEY&v=1" type="text/javascript"></script>
<script>
// The twttr object is available to use immediately
twttr.anywhere(function() {
    // Other code here
});
</script>

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<script>
    // <snip>
    (function (window, document) {
        var loader = function () {
            var script = document.createElement("script"), tag = document.getElementsByTagName("script")[0];
            script.src = "http://errorception.com/projects/" + _errs[0] + "/beacon.js";
            tag.parentNode.insertBefore(script, tag);
        };

        // Wait until window.onload before downloading any more code.

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<script type="text/javascript">
  // <snip>
  
  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();
</script>

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<script>
  // <snip>
  
  // Load the SDK Asynchronously
  (function(d){
     var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
     js = d.createElement('script'); js.id = id; js.async = true;
     js.src = "//connect.facebook.net/en_US/all.js";
     d.getElementsByTagName('head')[0].appendChild(js);
   }(document));

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<script>
    var script = document.createElement("script");
    script.type = "text/javascript";
    script.src = "file.js";
    document.body.appendChild(script);
</script>

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// Note: Line breaks added for clarity

(function(a, b, c) {
    /*
        Your code here
        Calls to window.whatever will become a.whatever
        Similarly, document.whatever will be b.whatever, and c will be undefined
    */
}(window, document))