1//Excel export script works on IE7+, Firefox and Chrome.
2
3function fnExcelReport()
4{
5    var tab_text="<table border='2px'><tr bgcolor='#87AFC6'>";
6    var textRange; var j=0;
7    tab = document.getElementById('headerTable'); // id of table
8
9    for(j = 0 ; j < tab.rows.length ; j++) 
10    {     
11        tab_text=tab_text+tab.rows[j].innerHTML+"</tr>";
12        //tab_text=tab_text+"</tr>";
13    }
14
15    tab_text=tab_text+"</table>";
16    tab_text= tab_text.replace(/<A[^>]*>|<\/A>/g, "");//remove if u want links in your table
17    tab_text= tab_text.replace(/<img[^>]*>/gi,""); // remove if u want images in your table
18    tab_text= tab_text.replace(/<input[^>]*>|<\/input>/gi, ""); // reomves input params
19
20    var ua = window.navigator.userAgent;
21    var msie = ua.indexOf("MSIE "); 
22
23    if (msie > 0 || !!navigator.userAgent.match(/Trident.*rv\:11\./))      // If Internet Explorer
24    {
25        txtArea1.document.open("txt/html","replace");
26        txtArea1.document.write(tab_text);
27        txtArea1.document.close();
28        txtArea1.focus(); 
29        sa=txtArea1.document.execCommand("SaveAs",true,"Say Thanks to Sumit.xls");
30    }  
31    else                 //other browser not tested on IE 11
32        sa = window.open('data:application/vnd.ms-excel,' + encodeURIComponent(tab_text));  
33
34    return (sa);
35}
36//Just create a blank iframe:
37
38<iframe id="txtArea1" style="display:none"></iframe>
39//Call this function on:
40
41<button id="btnExport" onclick="fnExcelReport();"> EXPORT </button>