JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<p>This is a test bla bla bla some more words</p>
CSS
span {
border: 1px solid red;
}
span:hover {
background-color:red;
color:white;
}
JavaScript
var words = $("p").text().split(" ");
$("p").empty();
$.each(words, function(i, v) {
$("p").append($("<span class='newclass'>").text(v));
});