Prevent form submission by Enter key (jQuery)

gistfile1.txt

var code = null;

jQuery(window).keypress(function(e){
	code = e.which;
});

jQuery('#myform').submit(function(e){
	if( code == 13 ){//if Enter is pressed...
		code = null;//Reset keycode to allow submission via click.
		e.preventDefault();
	}
});