$('.ui.dropdown')
  .dropdown('clear')
;



var content = [
];

let i = 1
document.getElementById("buyNumber").innerHTML = i


$('.ui.search')
  .search({
    source: content
  })
;

function buy_confirm() {
	j = String(i)
	content.push({ title: j })
	$('.ui.search').search({source: content})
	i=i+1;
	document.getElementById("buyNumber").innerHTML = i;
	$('.ui.dropdown').dropdown('clear')
}