JSFiddle - React, Tailwind, and code Playground
HTML
Oculte el DIV:
<hr>
<div id="boton" onclick="ocultar(this.id)">OCULTAR</div>
CSS
#boton{
padding:15px;
width:100%;
background-color:#D80003;
color:#fff;
}
JavaScript
function ocultar(X){
$("#"+X).hide(500);
}