Am trying to add facebook login to my website using javascript SDK.
    <script>(function(d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id)) return;
    js = d.createElement(s); js.id = id;
    js.src =     "//connect.facebook.net/en_US/sdk.js#xfbml=1&appId=1502856099942926&version=v2.0";
  fjs.parentNode.insertBefore(js, fjs);
    }(document, 'script', 'facebook-jssdk'));
    </script>
When I add the above code and save it to my website code, am getting the error: Error parsing XML, line 337, column 62: The reference to entity "appId" must end with the ';' delimiter.
How to get rid of this error?
 
     
     
     
     
     
    