;(function () { var paths = { ... }; //HANDLE JQUERY IF LOADED ALREADY TO AVOID OVERWRITING EXISTING JQUERY PROPERTIES AND PLUGINS //CHECK FOR OLD VERSIONS OF JQUERY var oldjQuery = !!(window.jQuery && !!window.jQuery.fn.jquery.match(/^1\.[0-4]/)); //LOAD JQUERY IF NOT AVAILABLE OR BELOW MIN if (!window.jQuery || oldjQuery) { paths.jquery = [ '//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min', //If the CDN location fails, load from this location 'libs/jquery/jquery.min' ]; } else { //REGISTER THE CURRENT JQUERY define('jquery', [], function () { return window.jQuery; }); } //CONFIGURE REQUIRE JS require.config({ ... paths: paths, ... }); //START REQUIRE JS require([ 'jquery', 'app' ], function ($, App) { //HANDLE MULTIPLE JQUERY VERSIONS IF NECESSARY if (oldjQuery) $.noConflict(true); //INITIALIZE APP App.init(); }); })();