JSFiddle - React, Tailwind, and code Playground

HTML

<p class="hover">hover</p>
<p class="hover">hover</p>
<p class="hover">hover</p>

CSS

.on_hover{color:red;}

JavaScript

$('.hover').hover( 
function(){$(this).addClass('on_hover');},  
function(){$(this).removeClass('on_hover');}
);