how to copy text from input through button click js

1function copyToClipboard(element) {
2  var $temp = $("<input>");
3  $("body").append($temp);
4  $temp.val($(element).text()).select();
5  document.execCommand("copy");
6  $temp.remove();
7}

1const span = document.querySelector("span");
2
3span.onclick = function() {
4  document.execCommand("copy");
5}
6
7span.addEventListener("copy", function(event) {
8  event.preventDefault();
9  if (event.clipboardData) {
10    event.clipboardData.setData("text/plain", span.textContent);
11    console.log(event.clipboardData.getData("text"))
12  }
13});