<div id="spreadsheet"></div>
<script>
$("#spreadsheet").kendoSpreadsheet({
    sheets: [{
        name: "MySheet",
        rows: [{
            cells: [{
                value: "Left aligned",
                textAlign: "left"
            }, {
                value: "Center aligned",
                textAlign: "center"
            }, {
                value: "Right aligned",
                textAlign: "right"
            }]
        }]
    }]
});
</script>