Handsontable example

HTML

<div>
  <div id="example1" class="hot handsontable htRowHeaders htColumnHeaders"></div>
</div>

CSS

</style><!-- Ugly Hack due to jsFiddle issue -->

<script src="https://docs.handsontable.com/pro/1.5.0/bower_components/handsontable-pro/dist/handsontable.full.min.js"></script>
<link type="text/css" rel="stylesheet" href="https://docs.handsontable.com/pro/1.5.0/bower_components/handsontable-pro/dist/handsontable.full.min.css">

JavaScript

document.addEventListener("DOMContentLoaded", function() {

  var example1 = document.getElementById('example1');
  
  var hot = new Handsontable(example1, {
    data: Handsontable.helper.createSpreadsheetData(5,10),
    colHeaders: true,
    rowHeaders: true,
    nestedHeaders: [
      [{label: 'B', colspan: 8}, 'C', 'Y'],
      ['D', {label: 'E', colspan: 4}, {label: 'F', colspan: 4}, 'G'],
      [{label: 'I', colspan: 2}, {label: 'J', colspan: 2}, {label: 'K', colspan: 2}, {label: 'L', colspan: 2}, 'M', 'X'],
      ['N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W']
    ],
    fixedColumnsLeft: 1
  });
  
  


});