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