JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image-cat-hover" cat-text="Category 1 text">
  <p>Hover for cat 1</p>
</div>
<div class="image-cat-hover" cat-text="Category 2 text">
  <p>Hover for cat 2</p>
</div>
<div class="image-cat-hover" cat-text="Category 3 text">
  <p>Hover for cat 3</p>
</div>
<div class="default">
  <p id="placeholder">Default Text</p>
</div>

CSS

* {
    font-size: 20px;
    text-align: center;
}
.image-cat-hover {
    float: left;
    width: 150px;
    border: thin solid #CCC;
    margin-bottom: 20px;
}
#cats, .default { 
    width: 450px;
}

JavaScript

$(document).ready(function() {
    var defaultText = $(".default").text();
    $(".image-cat-hover").mouseout(function() {
        $(".default").text(defaultText);
        }).mouseover(function() {
            $(".default").text($(this).attr("cat-text"));
           });
    
});