Login with Facebook Phonegap Plugin Issue - phonegap-plugins

Question

/* global FB */
"use strict";
/*
* #author Ally Ogilvie
* #copyright Wizcorp Inc. [ Incorporated Wizards ] 2014
* #file - facebookConnectPlugin.js
* #about - JavaScript interface for PhoneGap bridge to Facebook Connect SDK
*
*
*/
if (!window.cordova) {
// This should override the existing facebookConnectPlugin object created from cordova_plugins.js
var facebookConnectPlugin = {
getLoginStatus: function (s, f) {
// Try will catch errors when SDK has not been init
try {
FB.getLoginStatus(function (response) {
s(response);
});
} catch (error) {
if (!f) {
console.error(error.message);
} else {
f(error.message);
}
}
},
showDialog: function (options, s, f) {
if (!options.name) {
options.name = "";
}
if (!options.message) {
options.message = "";
}
if (!options.caption) {
options.caption = "";
}
if (!options.description) {
options.description = "";
}
if (!options.href) {
options.href = "";
}
if (!options.picture) {
options.picture = "";
}
// Try will catch errors when SDK has not been init
try {
FB.ui({
method: options.method,
message: options.message,
name: options.name,
caption: options.caption,
description: (
options.description
),
href: options.href,
picture: options.picture
},
function (response) {
if (response && (response.request || !response.error_code)) {
s(response);
} else {
f(response);
}
});
} catch (error) {
if (!f) {
console.error(error.message);
} else {
f(error.message);
}
}
},
// Attach this to a UI element, this requires user interaction.
login: function (permissions, s, f) {
// JS SDK takes an object here but the native SDKs use array.
var permissionObj = {};
if (permissions && permissions.length > 0) {
permissionObj.scope = permissions.toString();
}
FB.login(function (response) {
if (response.authResponse) {
s(response);
} else {
f(response.status);
}
}, permissionObj);
},
getAccessToken: function (s, f) {
var response = FB.getAccessToken();
if (!response) {
if (!f) {
console.error("NO_TOKEN");
} else {
f("NO_TOKEN");
}
} else {
s(response);
}
},
logEvent: function (eventName, params, valueToSum, s, f) {
// AppEvents are not avaliable in JS.
s();
},
logPurchase: function (value, currency, s, f) {
// AppEvents are not avaliable in JS.
s();
},
logout: function (s, f) {
// Try will catch errors when SDK has not been init
try {
FB.logout( function (response) {
s(response);
});
} catch (error) {
if (!f) {
console.error(error.message);
} else {
f(error.message);
}
}
},
api: function (graphPath, permissions, s, f) {
// JS API does not take additional permissions
// Try will catch errors when SDK has not been init
try {
FB.api(graphPath, function (response) {
if (response.error) {
f(response);
} else {
s(response);
}
});
} catch (error) {
if (!f) {
console.error(error.message);
} else {
f(error.message);
}
}
},
// Browser wrapper API ONLY
browserInit: function (appId, version) {
if (!version) {
version = "v2.0";
}
FB.init({
appId : appId,
cookie : true,
xfbml : true,
version : version
})
}
};
// Bake in the JS SDK
(function () {
if (!window.FB) {
console.log("launching FB SDK");
var e = document.createElement('script');
e.src = document.location.protocol + '//connect.facebook.net/en_US/sdk.js';
e.async = true;
document.getElementById('fb-root').appendChild(e);
}
}());
}
I'm having error of FB not Defined when I try login with facebook in my code and gives error in above js file that FB is not Defined.