const $ = selector => document.querySelector(selector); const navToggle = $(".navToggle"); const menu = $(".pageNav > .container"); navToggle.onclick = () => { const menuToggled = menu.classList.contains("openned"); if (menuToggled) { menu.classList.remove("openned"); } else { menu.classList.add("openned"); } navToggle.innerHTML = menuToggled ? "Menu" : "Close"; } window.addEventListener("transitionBuffering", () => menu.classList.remove("openned"));