Vibhu-Agarwal/Login_Facebook.html

## Login_Facebook.html
<!DOCTYPE html>
<html>
<head>
<title>Facebook Login JavaScript Example</title>
<meta charset="UTF-8">
</head>
<body>
<script>
  // This is called with the results from from FB.getLoginStatus().
  function statusChangeCallback(response) {
    console.log('statusChangeCallback');
    console.log(response);
    // The response object is returned with a status field that lets the
    // app know the current login status of the person.
    // Full docs on the response object can be found in the documentation
    // for FB.getLoginStatus().
    if (response.status === 'connected') {
      // Logged into your app and Facebook.
      testAPI();
    } else {
      // The person is not logged into your app or we are unable to tell.
      document.getElementById('status').innerHTML = 'Please log ' +
        'into this app.';
    }
  }

  // This function is called when someone finishes with the Login
  // Button.  See the onlogin handler attached to it in the sample
  // code below.
  function checkLoginState() {
    FB.getLoginStatus(function(response) {
      statusChangeCallback(response);
    });
  }

  window.fbAsyncInit = function() {
    FB.init({
      appId      : '{app_id}',
      cookie     : true,  // enable cookies to allow the server to access
                          // the session
      xfbml      : true,  // parse social plugins on this page
      version    : 'v3.3' // The Graph API version to use for the call
    });

    // Now that we've initialized the JavaScript SDK, we call
    // FB.getLoginStatus().  This function gets the state of the
    // person visiting this page and can return one of three states to
    // the callback you provide.  They can be:
    //
    // 1. Logged into your app ('connected')
    // 2. Logged into Facebook, but not your app ('not_authorized')
    // 3. Not logged into Facebook and can't tell if they are logged into
    //    your app or not.
    //
    // These three cases are handled in the callback function.

    FB.getLoginStatus(function(response) {
      statusChangeCallback(response);
    });

  };

  // Load the SDK asynchronously
  (function(d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id)) return;
    js = d.createElement(s); js.id = id;
    js.src = "https://connect.facebook.net/en_US/sdk.js";
    fjs.parentNode.insertBefore(js, fjs);
  }(document, 'script', 'facebook-jssdk'));

  // Here we run a very simple test of the Graph API after login is
  // successful.  See statusChangeCallback() for when this call is made.
  function testAPI() {
    console.log('Welcome!  Fetching your information.... ');
    FB.api('/me', function(response) {
      console.log('Successful login for: ' + response.name);
      document.getElementById('status').innerHTML =
        'Thanks for logging in, ' + response.name + '!';
    });
  }
</script>

<!--
  Below we include the Login Button social plugin. This button uses
  the JavaScript SDK to present a graphical Login button that triggers
  the FB.login() function when clicked.
-->

<fb:login-button scope="public_profile,email" onlogin="checkLoginState();">
</fb:login-button>

<div id="status">
</div>

</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Facebook Login JavaScript Example</title>
	<meta charset="UTF-8">
	</head>
	<body>
	<script>
	// This is called with the results from from FB.getLoginStatus().
	function statusChangeCallback(response) {
	console.log('statusChangeCallback');
	console.log(response);
	// The response object is returned with a status field that lets the
	// app know the current login status of the person.
	// Full docs on the response object can be found in the documentation
	// for FB.getLoginStatus().
	if (response.status === 'connected') {
	// Logged into your app and Facebook.
	testAPI();
	} else {
	// The person is not logged into your app or we are unable to tell.
	document.getElementById('status').innerHTML = 'Please log ' +
	'into this app.';
	}
	}

	// This function is called when someone finishes with the Login
	// Button. See the onlogin handler attached to it in the sample
	// code below.
	function checkLoginState() {
	FB.getLoginStatus(function(response) {
	statusChangeCallback(response);
	});
	}

	window.fbAsyncInit = function() {
	FB.init({
	appId : '{app_id}',
	cookie : true, // enable cookies to allow the server to access
	// the session
	xfbml : true, // parse social plugins on this page
	version : 'v3.3' // The Graph API version to use for the call
	});

	// Now that we've initialized the JavaScript SDK, we call
	// FB.getLoginStatus(). This function gets the state of the
	// person visiting this page and can return one of three states to
	// the callback you provide. They can be:
	//
	// 1. Logged into your app ('connected')
	// 2. Logged into Facebook, but not your app ('not_authorized')
	// 3. Not logged into Facebook and can't tell if they are logged into
	// your app or not.
	//
	// These three cases are handled in the callback function.

	FB.getLoginStatus(function(response) {
	statusChangeCallback(response);
	});

	};

	// Load the SDK asynchronously
	(function(d, s, id) {
	var js, fjs = d.getElementsByTagName(s)[0];
	if (d.getElementById(id)) return;
	js = d.createElement(s); js.id = id;
	js.src = "https://connect.facebook.net/en_US/sdk.js";
	fjs.parentNode.insertBefore(js, fjs);
	}(document, 'script', 'facebook-jssdk'));

	// Here we run a very simple test of the Graph API after login is
	// successful. See statusChangeCallback() for when this call is made.
	function testAPI() {
	console.log('Welcome! Fetching your information.... ');
	FB.api('/me', function(response) {
	console.log('Successful login for: ' + response.name);
	document.getElementById('status').innerHTML =
	'Thanks for logging in, ' + response.name + '!';
	});
	}
	</script>

	<!--
	Below we include the Login Button social plugin. This button uses
	the JavaScript SDK to present a graphical Login button that triggers
	the FB.login() function when clicked.
	-->

	<fb:login-button scope="public_profile,email" onlogin="checkLoginState();">
	</fb:login-button>

	<div id="status">
	</div>

	</body>
	</html>