Toggle mobile menu

let toggleButton = document.querySelector('.header-menu-toggle');
let nav = document.querySelector('.header-nav-wrap');

function showButton(){
    if (window.innerWidth < 800){
        toggleButton.style.display = 'block';
        toggleButton.style.position = 'absolute'
    }else{
        toggleButton.style.display = "none";
    }
}

function mobileMenu() {
    toggleButton.addEventListener('click', function(){
        if (!toggleButton.classList.contains('is-clicked')){
            nav.style.display = "flex";
            nav.style.position = "absolute"
            nav.setAttribute('aria-hidden', 'false');
            toggleButton.classList.toggle('is-clicked');
        }else{
            nav.style.display = "none";
            nav.style.position = "relative"
            nav.setAttribute('aria-hidden', 'true');
            toggleButton.classList.toggle('is-clicked');
        }});
    }

mobileMenu();
window.addEventListener('load', showButton);
window.addEventListener('resize', showButton);