フリーランスの忘備録

const modalOpen = (btn)=>{
  modalClose();
  const modalId = btn.dataset.modal;
  const modal = document.querySelector(`.modal[data-modal="${modalId}"]`);
  modal.insertAdjacentHTML('beforeend','<i class="modal__bg"></i>');
  modal.classList.add('is-open');
  const top = window.pageYOffset;
  wrapper.classList.add('is-modalopen');
  wrapper.style.top = `-${top}px`;
  const modalbg = document.querySelector('.modal__bg');
  modalbg.addEventListener('click',()=>{
    modalClose();
  });
}