I'm trying to check if a user has logged in using facebook and get that error in JS console. My code looks like this:
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function () {
FB.init({
appId: '######', // App ID
status: true, // check login status
cookie: true, // enable cookies to allow the server to access the session
xfbml: true // parse XFBML
});
};
// Load the SDK Asynchronously
(function (d) {
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) { return; }
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
FB.getLoginStatus(function (response) {
if (response.status === 'connected') {
// the user is logged in and has authenticated your
// app, and response.authResponse supplies
// the user's ID, a valid access token, a signed
// request, and the time the access token
// and signed request each expire
var uid = response.authResponse.userID;
var accessToken = response.authResponse.accessToken;
} else if (response.status === 'not_authorized') {
// the user is logged in to Facebook,
// but has not authenticated your app
} else {
// the user isn't logged in to Facebook.
}
});
</script>
What could be the problem and are there any sugestions on how to fix it?
In Chrome, you'd be getting the error: Uncaught ReferenceError: FB is not defined.
I like to trigger a custom event in Facebook's initialization function, fbAsyncInit(). Then I'm not limited to doing all my FB related scripting inside of the fbAsyncInit function. I can put it anywhere, by just listening for that custom event to be fired.
window.fbAsyncInit = function() {
FB.init({
appId : '123456789',
status : true,
cookie : true,
xfbml : true
});
$(document).trigger('fbload'); // <---- THIS RIGHT HERE TRIGGERS A CUSTOM EVENT CALLED 'fbload'
};
//MEANWHILE IN $(document).ready()
$(document).on(
'fbload', // <---- HERE'S OUR CUSTOM EVENT BEING LISTENED FOR
function(){
//some code that requires the FB object
//such as...
FB.getLoginStatus(function(res){
if( res.status == "connected" ){
FB.api('/me', function(fbUser) {
console.log("Open the pod bay doors, " + fbUser.name + ".");
});
}
});
}
);