JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" name="commanumber" id="commanumber" value="1,99" step='0.01' min='0' />

JavaScript

$(document).ready(function(){
var s = $('#commanumber').val().replace(/\,/g, '.');
$('#commanumber').attr('type','number');
$('#commanumber').val(s);
});