gistfile1.html

<script src="http://handsontable.com/lib/jquery.min.js"></script>
<script src="http://handsontable.com/dist/jquery.handsontable.full.js"></script>
<link rel="stylesheet" media="screen" href="http://handsontable.com/dist/jquery.handsontable.full.css">

<div id="data_table" style="overflow: visible;" class="handsontable"></div>
<script>
$(document).ready(function() {
  function createBigData() {
    var rows = []
      , i
      , j;
  
    for (i = 0; i < 100; i++) {
      var row = [];
      for (j = 0; j < 6; j++) {
        row.push(Handsontable.helper.spreadsheetColumnLabel(j) + i);
      }
      rows.push(row);
    }
  
    return rows;
  }

  $("#data_table").handsontable({
    data: createBigData(),
    colWidths: [55, 80, 80, 80, 80, 80, 80], //can also be a number or a function
    rowHeaders: true,
    colHeaders: true,
    minSpareRows: 1,
    stretchH: 'all',
    width: 400,
    height: 300
  });
});
</script>