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Editorial Team
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Asked: 2026-05-31T03:53:31+00:00

How to get token in a function ? I want send it out of

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How to get token in a function? I want send it out of this function for an ajax processing.

<body>
<script src="http://connect.facebook.net/en_US/all.js"></script>
<script>
    var token;
    window.fbAsyncInit = function() {
        FB.init({ appId: 'XXXXXXXX',status: true,cookie: true,xfbml: true,oauth: true});
        FB.getLoginStatus(function(response) {
            if (response.authResponse){
                       if(response.status=="connected") {
                                token = response.authResponse.accessToken;
                       }
            }
        });
    };
    alert(token);//undefined
</script>
<div id="fb-root"></div>
</body>
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1 Answer

  1. Editorial Team

    You’re executing an asynchronous request which may not be finished by the time your alert is executed. To fix your issue, simply call a function when the async method is complete:

    var token;
window.fbAsyncInit = function() {
    FB.init({ appId: 'XXXXXXXX',status: true,cookie: true,xfbml: true,oauth: true});
    FB.getLoginStatus(function(response) {
        if (response.authResponse){
                   if(response.status=="connected") {
                            token = response.authResponse.accessToken;
                            asyncComplete();
                   }
        }
    });
};

function asyncComplete() {
    alert(token);
}

    Or, simply pass the value in instead of using the token variable:

    window.fbAsyncInit = function() {
    FB.init({ appId: 'XXXXXXXX',status: true,cookie: true,xfbml: true,oauth: true});
    FB.getLoginStatus(function(response) {
        if (response.authResponse){
                   if(response.status=="connected") {
                            asyncComplete(response.authResponse.accessToken);
                   }
        }
    });
};

function asyncComplete(token) {
    alert(token);
}
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