use github from client_side only

example.js

var auth0 = new Auth0({
  clientID:    'KgSjMN3OCwmrjvtjJ8bfuZyAaoKOrgH3',
  domain:      'todos.auth0.com',
  callbackURL: 'http://localhost:8080/'
});

$(function () {

  var tmpl_text = $('#item-tmpl').html();
  var item_tmpl = ejs.compile(tmpl_text);

  //init login
  $('#signin').click(function () {
    auth0.login({
      connection: 'github'
    });
  });

  //parse profile hash
  auth0.parseHash(function (profile) {
    $('#anonymous, #dashboard').toggle();
    window.location.hash = '';

    //github access token.
    var token = profile.identities[0].access_token;

    get_repositories(token, null, function (err, repos) {
      for (var i = 0; i < repos.length; i++) {
        $(item_tmpl(repos[i]))
          .appendTo('#repos');
      }
    });
  });

  function get_repositories(token, url, callback) {
    $.get( url || ('https://api.github.com/user/repos?access_token=' + token) )
      .done(function (repos, _, response) {
        var link_header = response.getResponseHeader('link');
        var links = parseLinks(link_header);
        if (!links.next) return callback(null, repos);
        get_repositories(null, links.next, function (err, repos2) {
          callback(null, repos.concat(repos2));
        });
      });
  }
});