JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.maskedinput/1.4.1/jquery.maskedinput.min.js"></script>
<input type="text" id="valor" />

JavaScript

$.mask.definitions['~']='([0-9] )?';

$("#valor")
    .mask("~9,9", {
    	placeholder: " "
	});