(function() {
// old browser or not ? if ( !('querySelector' in document && 'addEventListener' in window) ) { return; } window.document.documentElement.className += ' js-enabled';
function toggleNav() {
// Define targets var button = document.querySelector('.nav-button'); var target = document.querySelector('.navigation');
// click-touch event if ( button ) {
button.addEventListener('click', function (e) { target.classList.toggle('is-opened'); e.preventDefault(); }, false );
} } // end toggleNav()
toggleNav(); }());