<script>
var workbook = new kendo.ooxml.Workbook({
  sheets: [
      {
          rows: [
              { cells: [ 
                  { value: "Arial Font", fontName: "Arial" },
                  { value: "Times Font", fontName: "Times New Roman" },
                  { value: "Default Font" }
              ] }
          ]
      }
  ]
});

workbook.toDataURLAsync().then(function(dataURL) {
  kendo.saveAs({
    dataURI: dataURL,
    fileName: "font-name-example.xlsx"
  });
});
</script>