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<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 = "/action_page.php"; document.getElementById("demo").innerHTML = "The value of the action attribute was changed to /action_page.php.";}</script></body></html>