Login with Facebook using javascript

Contents

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Login with Facebook using javascript Source code download

setting to javascript for login with Facebook Account

 FB.init({
      appId      : '19101655989566548', // your facebook App ID
      channelUrl : 'https://www.pakainfo.com/facebook/channel.html', //your facebook Channel File
      status     : true, // status check login status
      cookie     : true, // enable cookies to allow the server to access the session
      xfbml      : true  // parse XFBML
    });

First of create a simple dev account in facebook.

Create Account
index.html

please set this your project name and set redirect url set and get the appId and secrate key.

<html>
<body>
<div id="fb-root"></div>
<script>
  window.fbAsyncInit = function() {
    FB.init({
      appId      : '19101655989566548', // your facebook App ID
      channelUrl : 'https://www.pakainfo.com/facebook/channel.html', //your facebook Channel File
      status     : true, // status check login status
      cookie     : true, // enable cookies to allow the server to access the session
      xfbml      : true  // parse XFBML
    });
	FB.Event.subscribe('auth.authmsgresultChange', function(msgresult) 
	{
 	 if (msgresult.status === 'connected') 
  	{
		//display message
  		document.getElementById("data_msgresult_result").innerHTML +=  "<br>facebook auth Connected to Facebook";
  		//display SUCCESS
  		
  	}	 
	else if (msgresult.status === 'not_authorized') 
    {
		//display message
    	document.getElementById("data_msgresult_result").innerHTML +=  "<br>facebook auth Failed to Connect";

		//display FAILED
    } 
	else 
    {
		//display message
    	document.getElementById("data_msgresult_result").innerHTML +=  "<br>facebook auth Logged Out";

    	//display UNKNOWN ERROR
    }
	});	
	
    };
	
    //facebook auth login function call
   	function Login()
	{
	
		FB.login(function(msgresult) {
		   if (msgresult.authmsgresult) 
		   {
		    	getClientInfo();
  			} else 
  			{
  	    	 console.log('User cridentials cancelled login or all the data did not fully authorize.');
   			}
		 },{scope: 'email,user_photos,user_videos'});
	
	
	}

  function getClientInfo() {
	    FB.api('/me', function(msgresult) {

	  var fbexample="<b>client Name</b> : "+msgresult.name+"<br>";
	  	  fbexample +="<b>client Link: </b>"+msgresult.link+"<br>";
	  	  fbexample +="<b>client Username:</b> "+msgresult.username+"<br>";
	  	  fbexample +="<b>client id: </b>"+msgresult.id+"<br>";
	  	  fbexample +="<b>client Email:</b> "+msgresult.email+"<br>";
	  	  fbexample +="<input type='button' value='client Photo' onclick='getPhoto();'/>";
	  	  fbexample +="<input type='button' value='Logout' onclick='Logout();'/>";
	  	  document.getElementById("status").innerHTML=fbexample;
	  	  	    
    });
    }
	function getPhoto()
	{
	  FB.api('/me/picture?type=normal', function(msgresult) {

		  var fbexample="<br/><b>Pic</b> : <img src='"+msgresult.data.url+"'/>";
	  	  document.getElementById("status").innerHTML+=fbexample;
	  	  	    
    });
	
	}
	function Logout()
	{
		FB.logout(function(){document.location.reload();});
	}

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

</script>
<div align="center">
<h2>Facebook with javascript OAuth Javascript Demo</h2>

<div id="status">
Please Click on Below Button to start the demo: <br/>
<buttononclick="Login()">Facebook Login </button>
</div>
<br/><br/><br/><br/><br/>
<div id="data_msgresult_result">
Logs:<br/>
</div>

</div>
</body>
</html>

channel.html

 <script src="//connect.facebook.net/en_US/all.js"></script>

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Login with Facebook using javascript

Login with Facebook using javascript Source code download

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