isFilterable
Returns if a range can be filtered.
Returns
Boolean
whether the range can be filtered.
Example
<div id="spreadsheet"></div>
<script type="text/javascript" charset="utf-8">
$("#spreadsheet").kendoSpreadsheet();
var spreadsheet = $("#spreadsheet").data("kendoSpreadsheet");
var sheet = spreadsheet.activeSheet();
var range = sheet.range("A1:B1");
if (range.isFilterable()) {
range.filter(true);
}
</script>