JSFiddle - React, Tailwind, and code Playground

by shaswata tripathy

HTML

<input id="btnExport" type="button" value = "Generate File" />
<table id="table">
<th>
  <tr>
    <td>coulmn1</td>
    <td>column2</td>
  </tr>
</th>
<tbody>
<tr>
  <td>row1column1</td>
  <td>row1column2</td>
</tr>
</tbody>
</table>

JavaScript

$("#btnExport").click(function (e) { 

var TableToExcel = new TableToExcel;

});
var TableToExcel = (function () {

    var uri = 'data:application/vnd.ms-excel;base64,'
    , template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table cellspacing="0" rules="rows" border="1" style="color:Black;background-color:White;border-color:#CCCCCC;border-width:1px;border-style:None;width:100%;border-collapse:collapse;font-size:9pt;text-align:center;">{table}</table></body></html>'
    , base64 = function (s) { return window.btoa(unescape(encodeURIComponent(s))) }
    , format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }) }
    return function (table, name) {
        if (!table.nodeType) table = document.getElementById(table)
        var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }
        if (navigator.msSaveBlob) {
            var blob = new Blob([format(template, ctx)], { type: 'application/vnd.ms-excel', endings: 'native' });
            navigator.msSaveBlob(blob, 'export.xls')
        } else {
            window.location.href = uri + base64(format(template, ctx))
        }
    }
})()