I need to get the access token from FB.login method in Javascript SDK. My login code is 

FB.login(function(response) {
    if (response.session) {
        if (response.perms) {

        } else {
            // user is logged in, but did not grant any permissions
            alert("No Permission..");
        }
    } else {
        // user is not logged in
        alert("Please login to facebook");
    }
}, {perms:'read_stream,publish_stream,offline_access'});

Is there any way to get access token? I am able to get the access token using PHP.

facebook facebook-javascript-sdk
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