File Content: app.js // Toggle Nav const selectElement = function(element){ return document.querySelector(element) } let menuToggler = selectElement('.menu-toggle'); let body = selectElement('body'); menuToggler.addEventListener('click', function(){ body.classList.toggle('open'); }) /* --- Clients Carousel ---*/ var swiper = new Swiper(".clients-carousel", { pagination: { el: ".swiper-pagination", }, }); /* --- About Carousel ---*/ var swiper = new Swiper(".about-us-carousel, .locations-carousel", { item: 1, pagination: { el: ".swiper-pagination", }, }); Submit