<div id="spreadsheet"></div>
<script>
var spreadsheet = $("#spreadsheet").kendoSpreadsheet({
    sheets: [
        { name: "Sheet1" },
        { name: "Sheet2" }
    ]
}).data("kendoSpreadsheet");

var sheet = spreadsheet.sheetByName("Sheet2");
spreadsheet.renameSheet(sheet, "RenamedSheet");
console.log("Sheet renamed to:", sheet.name());
</script>