Квазиморд Сидорович

let listHeaders = document.querySelectorAll('.list-header');

listHeaders.forEach((elem) => {
  elem.addEventListener('click', function() {
    let parentElem = this.parentNode;
    let listContent = parentElem.querySelector('.list-content');
    let arrowDown = parentElem.querySelector('.arrow-down');
    let headerText = parentElem.querySelector('.header-text');
    if(listContent.classList.contains('.active') | arrowDown.classList.contains('active') | headerText.classList.contains('active')){
    listContent.classList.remove('active');
    arrowDown.classList.remove('active');
    headerText.classList.remove('active');
    } else {      
      if (document.querySelector('.active')) {
        for (let x of document.querySelectorAll('.active')) {
          x.classList.remove('active');
        }
      }
    listContent.classList.add('active');
    arrowDown.classList.add('active');
    headerText.classList.add('active');
    }
  })
})

$(".acor-item .acor-title").on("click", function() {
            $(this).toggleClass("active").next().slideToggle();
            $(this).parent().toggleClass("active");
        });

.then(result =>{
    let res = result[0]
    console.log('result = ',res[0]);
    pool.end();
if( result === undefined ) throw new Error();
})
.then(() =>{
  console.log("end"); 
})
.catch(function(err) {
  console.log(err.message);
})