<div id="spreadsheet"></div>
<script>
$("#spreadsheet").kendoSpreadsheet({
    sheets: [{
        name: "MySheet",
        rows: [{
            height: 80,
            cells: [{
                value: "Tall row"
            }]
        }, {
            height: 30,
            cells: [{
                value: "Short row"
            }]
        }]
    }]
});
</script>