Get your own website Result Size: 625 x 565
x
 
<!DOCTYPE html>
<html>
<body>
<input type="text" onpaste="myFunction()" value="Try to paste something in here" size="40">
<p id="demo"></p>
<script>
function myFunction() {
  document.getElementById("demo").innerHTML = "You pasted text!";
}
</script>
</body>
</html>