Plugin comment Facebook

(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/vi_VN/sdk.js#xfbml=1&version=v2.10";   fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));