[Загрузка скриптов и стилей потом] #Javascript

async-load-js-css.js

$(document).ready(function(){

jQuery.loadScript = function (url, callback) {jQuery.ajax({url: url, dataType: 'script', success: callback, async: true }); }
// Usage
// if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.js', function(){
// Stuff to do after someScript has loaded
// });

function loadCSS(url) {$("<link/>", {rel: "stylesheet",type: "text/css",href: url}).appendTo("head");}
// Usage
// loadCSS(theme_url + '/js/slick/slick.css');

});