JSFiddle - React, Tailwind, and code Playground
by Rich Costello
HTML
<div class="className">
<p class="mailCheck ">
<input type="checkbox" value="1" class="checkbox-select" id="questionnaire-check" <span>I dont wish to upload files at this time.</span>
</p>
<div class="hideDiv hideUpload">
<p>Upload box I wish to hide.</p>
</div>
</div>
<div class="className">
<p class="mailCheck ">
<input type="checkbox" value="1" class="checkbox-select" id="questionnaire-check" <span>I dont wish to upload files at this time.</span>
</p>
<div class="hideDiv hideUpload">
<p>Upload box I wish to hide.</p>
</div>
</div>
JavaScript
$('.mailCheck input').on('change', function () {
$(this).closest('div').find('.hideUpload').slideToggle();
});