ArtBIT/htmlTableToExcel.js

## htmlTableToExcel.js
var htmlTableToExcel = (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>{table}</table></body></html>'
    , base64 = function(s) {return btoa(encodeURIComponent(s).replace(/%([0-9A-F]{2})/g, function(match, p1) {
        return String.fromCharCode('0x' + p1);
    }));
    , format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }); };
    return function (table, name, filename) {
        if (!table.nodeType) table = document.getElementById(table);
        var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML };

        var anchor = document.createElement('a');
        anchor.href = uri + base64(format(template, ctx));
        anchor.download = filename;
        anchor.click();

    };
})();
	var htmlTableToExcel = (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>{table}</table></body></html>'
	, base64 = function(s) {return btoa(encodeURIComponent(s).replace(/%([0-9A-F]{2})/g, function(match, p1) {
	return String.fromCharCode('0x' + p1);
	}));
	, format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }); };
	return function (table, name, filename) {
	if (!table.nodeType) table = document.getElementById(table);
	var ctx = { worksheet: name \|\| 'Worksheet', table: table.innerHTML };

	var anchor = document.createElement('a');
	anchor.href = uri + base64(format(template, ctx));
	anchor.download = filename;
	anchor.click();

	};
	})();