JSFiddle - React, Tailwind, and code Playground

by atach

HTML

<form action="/add/" method="get" id="addCardForm">
	<div id="item_pam_419">
		<small>Выбор1: <span id="setprop_419"></span></small><br>
		<label><input type="radio" name="options[item_color]" id="item_color634_radio" value="634" />1</label>
		<label><input type="radio" name="options[item_color]" id="item_color635_radio" value="635" />2</label>
		<label><input type="radio" name="options[item_color]" id="item_color636_radio" value="636" />3</label>
	</div>
	<div id="item_pam_420">  
		<small>Выбор2: <span id="setprop_420"></span></small><br>
		<label><input type="radio" name="options[item_size]" id="item_size639_radio" value="639" />2</label>
		<label><input type="radio" name="options[item_size]" id="item_size640_radio" value="640" />3</label>
	</div>
    <input type="submit" class="but1" id="btnAddcard" value="submit" />
</form>

JavaScript

$(document).ready(function() {
		$('#btnAddcard').click(function() {
			var valcol = $("#setprop_419").html();
			var valsize = $("#setprop_420").html();
			
			if (valcol == "" || valcol == "Заполни поле1") {
				$("#setprop_419").html("Заполни поле1");				
				
			}
			
			if (valsize == "" || valsize == "Заполни поле2") {
				$("#setprop_420").html("Заполни поле2");
			
			}

		});
		
		$('#item_pam_419 input').click(function() {
            var nowval = $(this).prop('value');
            var nowidname = $(this).prop('id');
            $('#setprop_419').html(nowval);
            
        });
        
        $('#item_pam_420 input').click(function() {
            var nowval = $(this).prop('value');
            var nowidname = $(this).prop('id');
            $('#setprop_420').html(nowval);
            
        });
	});