authenticate.js

/* 
$('#github-button').on('click', function() {

      fetch('https://github.com/login/oauth/authorize',
        {
                method: 'GET',
                headers: { 
			Access-Control-Allow-Origin: 'true',
			client_id: '473d9452c0c696d05b80',
			client_secret: '88ff05e14bae227066d69482f813c6a02e091606',
                        Accept: 'application/json',
			redirect_url: 'http://localhost:8000',
                },

        }).then(r => r.json()).then(data => {
                console.log(data);
        });

})


// Create the XHR object.
function createCORSRequest(method, url) {
  var xhr = new XMLHttpRequest();
  if ("withCredentials" in xhr) {
    // XHR for Chrome/Firefox/Opera/Safari.
    xhr.open(method, url, true);
  } else if (typeof XDomainRequest != "undefined") {
    // XDomainRequest for IE.
    xhr = new XDomainRequest();
    xhr.open(method, url);
  } else {
    // CORS not supported.
    xhr = null;
  }
  return xhr;
}

// Helper method to parse the title tag from the response.
function getTitle(text) {
  return text.match('<title>(.*)?</title>')[1];
}

// Make the actual CORS request.
function makeCorsRequest() {
  // This is a sample server that supports CORS.
  var url = 'http://html5rocks-cors.s3-website-us-east-1.amazonaws.com/index.html';

  var xhr = createCORSRequest('GET', url);
  if (!xhr) {
    alert('CORS not supported');
    return;
  }

  // Response handlers.
  xhr.onload = function() {
    var text = xhr.responseText;
    var title = getTitle(text);
    alert('Response from CORS request to ' + url + ': ' + title);
  };

  xhr.onerror = function() {
    alert('Woops, there was an error making the request.');
  };

  xhr.send();
}


*/