krmgns

/**
 * Element.prototype.classList for IE8/9, Safari.
 * @author    Kerem Güneş <k-gun@mail.com>
 * @copyright Released under the MIT License <https://opensource.org/licenses/MIT>
 * @version   1.2
 * @see       https://developer.mozilla.org/en-US/docs/Web/API/Element/classList
 */
;(function() {
    // Helpers.
    var trim = function(s) {