git hub - load from the repository

gistfile1.txt

<script type="text/javascript" src="ext/underscore/underscore-min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script type="text/javascript" src="ext/gh3/gh3.js"></script>
function load_github()
{
    var gh = new Gh3.User("reportbase");
    var ghr = new Gh3.Repository("scripts", gh);

    ghr.fetch(function (err, res)
    {
        ghr.fetchBranches(function (err, res)
        {
            var master = ghr.getBranchByName("master");
            master.fetchContents(function (err, res)
            {
                var myfile = master.getFileByName("FILENAME");
                myfile.fetchContent(function (err, res)
                {
                    console.log(myfile.getRawContent());
                });
            });
        });
    });
}