HTML oncopy Event Attribute - Playground Example

<!DOCTYPE html> 
  <html> 
    <head>
      <title>oncopy event</title> 
    </head> 
    <body> 
    <input type="text" oncopy="copyAlarm()" value="Copy this text"> 
    <p id="test"> </p> 
<script> 
function copyAlarm() {
  document.getElementById("test").innerHTML="Text has been copied to clipboard!"; 
} 
</script> 
  </body> 
</html>