// Get the dropdown element

const dropdown = document.getElementById("myDropdown");

​

// Add a click event listener to the button that opens the dropdown

document.getElementById("myButton").addEventListener("click", function() {

  dropdown.classList.toggle("show");

});

​

// Close the dropdown if the user clicks outside of it

window.onclick = function(event) {

  if (!event.target.matches('.dropbtn')) {

    dropdown.classList.remove("show");

  }

}