JSFiddle - React, Tailwind, and code Playground
by Madalina Taina
HTML
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<div class="parent2">
<h2>Parent 2 - Functionality with Jquery</h2>
<input type="checkbox" class="checkbox-t" />
<input type="checkbox" class="checkbox-t" disabled/>
</div>
JavaScript
var checkboxes = $("input[type='checkbox']");
var fcheckbox = $("input[type='checkbox']:first");
var scheckbox = $("input[type='checkbox']:not(:first)");
checkboxes.click(function() {
scheckbox.attr("disabled", !fcheckbox.is(":checked"));
});