app/assets/javascripts/facebook_feed.js
$(document).on('turbolinks:load', function() {
if ($('body#front').length) {
(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&" +
"version=v2.4&appId=699325996783664";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
}
});