COPY TO CLIPBOARD

<!DOCTYPE html>
<html>
<body>

<input type="text" value="TEXT" id="myInput">
<button onclick="myFunction()">Copy text</button>

<script>
function myFunction() {
  var copyText = document.getElementById("myInput");
  copyText.select();
  document.execCommand("copy");
  alert("Copied the text: " + copyText.value);
}
</script>

</body>
</html>