const actives = document.getElementsByClassName('benefits__item-active');
function handlerDragstart(event) {
event.dataTransfer.setData("dragItem", this.dataset.item);
// this.classList.add("benefits__item-active");
const currentActive = actives[0];
if (currentActive)
currentActive.classList.remove("benefits__item-active");
if (currentActive !== this)
this.classList.add("benefits__item-active");
event.dataTransfer.effectAllowed = "copy";
}