Pro menu to accordion on mobile - JS

document.addEventListener('DOMContentLoaded', () => {

const proMenu = document.querySelector('#footer .oxy-pro-menu'),
      menuContainer = document.querySelector('#footer .oxy-pro-menu-container')


function checkForWindowResize() {
    clearTimeout(window.resizedFinished);

    window.resizedFinished = setTimeout(function(){
        if (window.innerWidth < 768) {

                proMenu.classList.add('oxy-pro-menu-open')
                menuContainer.classList.add('oxy-pro-menu-open-container')


        } else {

                proMenu.classList.remove('oxy-pro-menu-open')
                menuContainer.classList.remove('oxy-pro-menu-open-container')

        }

    }, 0);
}

checkForWindowResize();
window.addEventListener('resize', checkForWindowResize);

})