how to stop form from submitting on enter

//per form disabling
<form ... onkeydown="return event.key != 'Enter';">
 
  
//or with jquery  
<script>
 $(document).on("keydown", "form", function(event) { 
    return event.key != "Enter";
});
 </script>

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

<button type="submit" onclick="submitButtonClick(event)">Submit</button>
<script>
function submitButtonClick(event) {
		event.preventDefault();
		//other stuff you want to do instead...
} 
</script>

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