let vyber1;
let vyber2;
let vyber3;

document.getElementById("potvrdit1").onclick = function(){
    vyber1 = document.getElementById("select1").value;
    vyber1 = String(vyber1);
    document.getElementById("myH1").textContent = vyber1
}

document.getElementById("potvrdit2").onclick = function(){
    vyber2 = document.getElementById("select2").value;
    vyber2 = String(vyber2);
    document.getElementById("myH2").textContent = vyber2;
}

document.getElementById("potvrdit3").onclick = function(){
    vyber3 = document.getElementById("select3").value;
    vyber3 = String(vyber3);
    document.getElementById("myH3").textContent = vyber3;
}

/*-------------------------------------------------------------------------*/

function toggleDropdown(dropdownId) {
    var dropdown = document.getElementById(dropdownId);
    dropdown.classList.toggle("active");
  }