Set the noValidate property:
document.getElementById("myForm").noValidate = true;
Click button to specify that the form-data above should not be validated on submission.
<!DOCTYPE html> <html> <body> <form id="myForm" action="/action_page.php"> E-mail: <input type="email" name="user_email"> <input type="submit"> </form>/*from w w w . ja va2s .co m*/ <button onclick="myFunction()">Test</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."; } </script> </body> </html>