JSFiddle - React, Tailwind, and code Playground

by werty1001

HTML

<div class="select">
      <b>Выбор</b>
      <div class="option">
       <label><input type="checkbox" /> текст 1</label>
       <label><input type="checkbox" /> текст 2</label>
       <label><input type="checkbox" /> текст 3</label>
       <label><input type="checkbox" /> текст 4</label>
      </div>
     </div>


     <div class="select">
      <b>Выбор</b>
      <div class="option">
       <label><input type="checkbox" /> текст 1</label>
       <label><input type="checkbox" /> текст 2</label>
       <label><input type="checkbox" /> текст 3</label>
       <label><input type="checkbox" /> текст 4</label>
      </div>      
     </div>

JavaScript

$('.select .option label input').change(function() {
  $(this).parent("label").parent("div").parent("div").children("b").text( $('input:checked').parent("label").text()  );
});