(function (exports) {
    var AccessibilityHelper = {
        setAriaSelected: function ah_setAriaSelected(selectedTab, tabs) {
            Array.prototype.forEach.call(tabs, function setAriaSelectedAttr(tab) {
                tab.setAttribute('aria-selected', tab === selectedTab ? 'true' : 'false');
            });
        }
    };
    exports.AccessibilityHelper = AccessibilityHelper;
}(window));