<div id="spreadsheet"></div>
<script>
  $("#spreadsheet").kendoSpreadsheet({
    sheets: [{
      rows: [
        {
          height: 25,
          cells: [
            { value: "Name", bold: true },
            { value: "Age", bold: true }
          ]
        },
        {
          cells: [
            { value: "John" },
            { value: 30 }
          ]
        }
      ]
    }]
  });
</script>