JSFiddle - React, Tailwind, and code Playground

HTML

<input id="myDecimalTotal" type="text" value="0.00" class="rounder-decimal" />
<input id="btnDecimalTotalTest" type="button" value="Run Total" />

<div id="ChangeNotifier"></div>

JavaScript

$(function(){
    $('#btnDecimalTotalTest').click(function(){
        $('#myDecimalTotal').val($('#myDecimalTotal').val() + 1);
        $('#myDecimalTotal').trigger('change');
        
    });
    $('#myDecimalTotal').change(function(){
        $('#ChangeNotifier').append('changed');
        
    });
});