JSFiddle - React, Tailwind, and code Playground

HTML

<html>

  <head>
    <title>Chart Generator</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.14/dist/css/bootstrap-select.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.3/css/bootstrap.min.css" />
    
    <script type="text/javascript" src="./js/jquery-3.5.1.min.js"></script>
    <script type="text/javascript" src="./js/Chart.min.js"></script>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.3/js/bootstrap.bundle.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.14/dist/js/bootstrap-select.min.js"></script>
    <script src="https://code.highcharts.com/highcharts.js"></script>
    <script src="https://code.highcharts.com/modules/exporting.js"></script>
    <script src="https://code.highcharts.com/modules/export-data.js"></script>
    <script src="https://code.highcharts.com/modules/accessibility.js"></script>
    <script>
    $(function() {       
        alert("Gathering Date...");
        
        var now = new Date();
        
        var month = now.getMonth() + 1;
        var year = now.getFullYear();
        var day = now.getDate();
        
        var start_date = month + "/01/" + year;
        var end_date = month + "/" + day + "/" + year;
  
        
        $('#start_date').val(start_date);
        
        
      });
      </script>
      </head>
      <body>
    <main role="main" class="container">
      <h1 class="mt-5">
        Ticket Graphs
      </h1>
      <hr >
      <!--
      <div class="row">
        <div class="col">
          <button type="button" class="btn btn-primary" onclick="runChart()">Generate Graph</button>
        </div>
        <div class="col"></div>
      </div>
      -->
      <br />
      <!--
      <div class="row">
        <div class="col-md-12">
          <canvas id="myChartContainer" style="border:1px solid;"></canvas>
        </div>
   ...