layui.use(['jquery', 'helper'], function () {

    var $ = layui.jquery;
    var helper = layui.helper;

    if ($('#tab-courses').length > 0) {
        var $tabCourses = $('#tab-courses');
        helper.ajaxLoadHtml($tabCourses.data('url'), $tabCourses.attr('id'));
    }
    if ($('#tab-favorites').length > 0) {
        var $tabFavorites = $('#tab-favorites');
        helper.ajaxLoadHtml($tabFavorites.data('url'), $tabFavorites.attr('id'));
    }
    if ($('#tab-friends').length > 0) {
        var $tabFriends = $('#tab-friends');
        helper.ajaxLoadHtml($tabFriends.data('url'), $tabFriends.attr('id'));
    }

});