Installation

In the <head> of your HTML, include OAuth.js

<script src="/path/to/OAuth.js"></script>

In your Javascript, add this line to initialize OAuth.js

OAuth.initialize('Public key');

Usage

To connect your user using facebook, 2 methods:

//Using popup (option 1)
OAuth.popup('facebook', function(err, result) {
 //handle error with err
 //use result.access_token in your API request
});

//Using redirection (option 2)
OAuth.redirect('facebook', "callback/url");

In callback url :

OAuth.callback('facebook', function(err, result) {
 //handle error with err
 //use result.access_token in your API request
});