code snippet of CV2

popup.js

// IJK
const popupIJK = document.getElementById("popupIJK");
document.getElementById("prjIJK").onclick = () => show(popupIJK);
document.getElementById("closePopupIJK").onclick = () => close(popupIJK);

window.onclick = (event) => {
  switch (event.target) {
    ...
    
    case popupIJK:
      close(popupIJK);
    
    ...
  }
};