Tryit Editor v2.7

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<form action="">
First name: <input type="text" name="fname" value="Donald">
<input type="submit" value="Submit">
</form> 

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

<script>
  document.getElementById("demo").innerHTML =
    "Number of forms: " + document.forms.length;
</script>

</body>
</html>