JSFiddle - React, Tailwind, and code Playground

HTML

<div class="page-wrapper">
    <span class="hidden" data-slider="test">hello I'm here</span>
</div>

CSS

.hidden {
    display: none;
}

JavaScript

var one = 'test';
$('.page-wrapper').find("[data-slider='" + one + "']").removeClass('hidden');