<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>HTML table Export</title>
  <script type="text/javascript" src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
  <script type="text/javascript" src="../libs/js-xlsx/xlsx.core.min.js"></script>
  <script type="text/javascript" src="../libs/FileSaver/FileSaver.min.js"></script>
  <script type="text/javascript" src="../tableExport.js"></script>
  <script type="text/javaScript">'use strict';

  function doExport () {
    $('#tab_i