JSFiddle - React, Tailwind, and code Playground
by NOVUSIDEA
HTML
<div>here is @ that we are @ replacing</div>
<div>here is another @ that we are replacing</div>
<input id=idBut type=button value="replace @ with $" />
JavaScript
$("#idBut").click(function() {
$("body").html( $(this).html().replace(/@/g, "$"));
});