JSFiddle - React, Tailwind, and code Playground
HTML
<div class="swiper-slide class2" id="2">
<div class="content-slide test2"></div>
</div>
CSS
.class2 {
width: 200px;
height: 100px;
border: 5px solid blue;
}
JavaScript
setTimeout(function(){$("#2").first().height(10)}, 750)