JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ssl5639.websiteseguro.com/decknorte/scripts/jquery.maskMoney.js"></script>
<input name="campo1" type="text" value="" class="soma">

JavaScript

$(function(){
 $("input").maskMoney({symbol:'R$ ', 
showSymbol:false, thousands:'.', decimal:',', symbolStay: true});
 });