const addHamburgerMenu = ({ document }) => { const parent = document.querySelector('.header-inner'); const hamburger = document.createElement('div'); hamburger.classList.add('hamburger-menu'); hamburger.innerHTML = ` <div class="bar1"></div> <div class="bar2"></div> <div class="bar3"></div> `; parent.appendChild(hamburger); } module.exports = addHamburgerMenu;