JSFiddle - React, Tailwind, and code Playground

HTML

<div id="place" style="width:300px; height:200px;">
 <div class="link" style="width:300px; height:100px;">Link</div>
 <div class="linc2" style="width:300px; height:100px;background-color:red;display:none">Tooltip</div>
</div>

JavaScript

$('#place').hover(function(){
$('.linc2').show();
},
function(){
$('.linc2').hide();
});