Custom Sorting

// initializing Spread
var spread = new GC.Spread.Sheets.Workbook(document.getElementById('ss'), { sheetCount: 1 });
// get the activeSheet
var activeSheet = spread.getActiveSheet();
// Set Data
activeSheet.setArray(1, 1, [
    ["Men's clothing sizes"], [],
    ["XXS", "166–170"],
    ["XS", "168–173"],
    ["S", "171–176"],
    ["M", "174–179"],
    ["L", "177–182"],
    ["XL", "180–184"],
    ["XXL", "182–186"],
    ["3XL", "184–188"],
    ["4XL", "187–190"]]);
// Here we are sorting size of clothes from XXS size to 7XL size.
// function to compare items and sort them
function compareList(obj1, obj2) {
    var list = ["XXS", "XS", "S", "M", "L", "XL", "XXL", "3XL", "4XL", "5XL", "6XL", "7XL"];
    var index1 = list.indexOf(obj1), index2 = list.indexOf(obj2);
    if (index1 > index2) {
        return 1;
    } else if (index1 < index2) {
        return -1;
    } else {
        return 0;
    }
}
activeSheet.rowFilter(new GC.Spread.Sheets.Filter.HideRowFilter(new GC.Spread.Sheets.Range(3, 1, 9, 2)));
activeSheet.bind(GC.Spread.Sheets.Events.RangeSorting, function (e, info) {
    info.compareFunction = compareList;
});