JSFiddle - React, Tailwind, and code Playground

by Alfie

HTML

<div>
    <div class="pricedisplay" data-price="100">100</div>
    <input type="checkbox" class="check" name="check-1" data-price="50">
</div>
<div>
    <div class="pricedisplay" data-price="100">100</div>
    <input type="checkbox" class="check" name="check-1" data-price="50">
</div>

JavaScript

$('.check').change(function () {
    var price = $(this).data('price');
    var currPrice = $(this).siblings('.pricedisplay').data('price');
    $(this).siblings('.pricedisplay').text(price + currPrice);
});