HTML

stop form submission on press enter button

$('form [name="disc"]').keydown(function (e) {
    if (e.keyCode == 13) {
        e.preventDefault();
        return false;
    }
});

how to stop form from submitting on enter

<form ... onkeydown="return event.key != 'Enter';">

prevent button from submitting on enter key

function validationFunction() {
  $('input').each(function() {
    ...

  }
  if(good) {
    return true;
  }
  return false;
}

$(document).ready(function() {
  $(window).keydown(function(event){
    if( (event.keyCode == 13) && (validationFunction() == false) ) {
      event.preventDefault();
      return false;
    }
  });
});

prevent form submission on enter key

<form action="...">
  <!-- Prevent implicit submission of the form -->
  <button type="submit" disabled style="display: none" aria-hidden="true"></button>

  <!-- ... -->

  <button type="submit">Submit</button>
</form>