xls-export DEMO

https://github.com/deblanco/xlsExport

HTML

<script src="https://rawgit.com/deblanco/xlsExport/master/xls-export.js"></script>
<script src="https://rawgit.com/deblanco/xlsExport/master/xls-export.html"></script>
  <input type="button" onclick="xls.exportToXLS('export.xls')" value="Click here to download a XLS sample" />
  <input type="button" onclick="xls.exportToCSV()" value="Click here to download a CSV sample" />
  <script>
  const dataSample = [{
      "symbol": "IBM",
      "date": "Aug 2004",
      "price": 78.17
    },
    {
      "symbol": "IBM",
      "date": "Sep 2004",
      "price": 79.13
    },
    {
      "symbol": "IBM",
      "date": "Oct 2004",
      "price": 82.84
    },
    {
      "symbol": "IBM",
      "date": "Nov 2004",
      "price": 87.15
    },
    {
      "symbol": "IBM",
      "date": "Dec 2004",
      "price": 91.16
    },
    {
      "symbol": "IBM",
      "date": "Jan 2005",
      "price": 86.39
    },
    {
      "symbol": "IBM",
      "date": "Feb 2005",
      "price": 85.78
    },
    {
      "symbol": "IBM",
      "date": "Mar 2005",
      "price": 84.66
    },
    {
      "symbol": "IBM",
      "date": "Apr 2005",
      "price": 70.77
    },
    {
      "symbol": "IBM",
      "date": "May 2005",
      "price": 70.18
    },
    {
      "symbol": "IBM",
      "date": "Jun 2005",
      "price": 68.93
    },
    {
      "symbol": "IBM",
      "date": "Jul 2005",
      "price": 77.53
    },
    {
      "symbol": "IBM",
      "date": "Aug 2005",
      "price": 75.07
    },
    {
      "symbol": "IBM",
      "date": "Sep 2005",
      "price": 74.7
    },
    {
      "symbol": "IBM",
      "date": "Oct 2005",
      "price": 76.25
    },
    {
      "symbol": "IBM",
      "date": "Nov 2005",
      "price": 82.98
    },
    {
      "symbol": "IBM",
      "date": "Dec 2005",
      "price": 76.73
    },
    {
      "symbol": "IBM",
      "date": "Jan 2006",
      "price": 75.89
    },
    {
      "symbol": "IBM",
      "date": "Feb 2006",
      "price": 75.09
    },
    {
     ...