<!DOCTYPE html>
<html>
<body>
<h3>A demonstration of how to access a FORM element</h3>
<form id="myForm" action="form_action.asp">
First name: <input type="text" name="fname" value="Donald"><br>
Last name: <input type="text" name="lname" value="Duck"><br>
<input type="submit" value="Submit">
</form>
<p>Click the "Try it" button to get the URL for where to send the form data when the form above is submitted.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myForm").action;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>