Export HTML Table as CSV

table-to-csv.js

function exportTableToCSV($table, filename) {

  var $rows = $table.find('tr:has(td),tr:has(th)'),

    // Temporary delimiter characters unlikely to be typed by keyboard
    // This is to avoid accidentally splitting the actual contents
    tmpColDelim = String.fromCharCode(11), // vertical tab character
    tmpRowDelim = String.fromCharCode(0), // null character

    // actual delimiter characters for CSV format
    colDelim = '","',
    rowDelim = '"\r\n"',

    // Grab text from table into CSV formatted string
    csv = '"' + $rows.map(function(i, row) {
      var $row = $(row),
        $cols = $row.find('td,th');

      return $cols.map(function(j, col) {
        var $col = $(col),
          text = $col.text();

        return text.replace(/"/g, '""'); // escape double quotes

      }).get().join(tmpColDelim);

    }).get().join(tmpRowDelim)
    .split(tmpRowDelim).join(rowDelim)
    .split(tmpColDelim).join(colDelim) + '"',

    // Data URI
    csvData = 'data:application/csv;charset=utf-8,' + encodeURIComponent(csv);

  if (window.navigator.msSaveBlob) { // IE 10+
    //alert('IE' + csv);
    window.navigator.msSaveOrOpenBlob(new Blob([csv], {
      type: "text/plain;charset=utf-8;"
    }), "csvname.csv")
  } else {
    $(this).attr({
      'download': filename,
      'href': csvData,
      'target': '_blank'
    });
  }
}

// button has to be an anchor, don't use prevent default because it
// actually has to link to the generated csv
$("#anchor").on('click', function() {
  exportTableToCSV.apply(this, [$('table'), 'export.csv']);
});