JSFiddle - React, Tailwind, and code Playground

HTML

<h1>
Header
</h1>
<p>
A long paragraph with some <span style="background-color: silver" id="print-target">Special Text</span>
</p>

<input type="button" onclick="printPart('print-target')" value="Print">

JavaScript

window.printPart = function printPart(targetId) {
   var target = document.getElementById(targetId);
   var newDoc = window.open(',name\'', targetId);
   newDoc.document.write(target.innerHTML);
   newDoc.document.close();
   newDoc.print();
   newDoc.close();
}