<!DOCTYPE html>
<html>
<body>
<form id="myForm" action="nothing.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>The form element above has an invalid URL for where to send the form-data when a form is submitted.</p>
<p>Click the "Try it" button to change the value of the action attribute in the form element to a URL that works.</p>
<p><b>Note:</b> Click "Submit" before and after you have clicked on the "Try it" button!</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myForm").action = "form_action.asp";
document.getElementById("demo").innerHTML = "The value of the action attribute was changed to form_action.asp.";
}
</script>
</body>
</html>