<!DOCTYPE html>
<html>
<body>
<form id="myForm" action="form_action.asp">
E-mail: <input type="email" name="user_email">
<input type="submit">
</form>
<p>Click the "Try it" button to specify that the form-data above should not be validated on submission.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myForm").noValidate = true;
document.getElementById("demo").innerHTML = "The novalidate attribute is now added to the form element, and the form-data will NOT be validated on submission.";
}
</script>
</body>
</html>