How to Execute a JavaScript when copying some text of an <input> element

Try to copy this text.

index.html

Example: HTML

<!DOCTYPE html>
<html>
<body>

<input type="text" oncopy="myFunction()" value="Try to copy this text">

<p id="demo"></p>

<script>
function myFunction() {
  document.getElementById("demo").innerHTML = "You copied text!"
}
</script>

</body>
</html>

Output should be:

Type:	html
Category:	Web Tutorial
Sub Category:	HTML Clipboard Events Attribute
Uploaded by:	Admin