Titanium: How to empty table view section

app.js

(function() {
    var win = Ti.UI.createWindow({ backgroundColor: "#f00" });
    
    var table = Ti.UI.createTableView();
    
    var rows = [];
    
    for (var i = 0; i < 4; ++i) {
        rows.push({ title: "Row 0", header: "Header " + i, className: "Row1" });
        for (var j = 0; j < 10; j++) {
            rows.push({ title: "Row " + j, className: "Row2" });
        }
    }
    
    table.setData(rows);
    
    win.add(table);
    
    function emptySection(tableView, sectionIndex) {
        var sections = tableView.data;
        
        sections.splice(sectionIndex, 1, Ti.UI.createTableViewSection());
 
        tableView.setData(sections);
    } 
    
    win.addEventListener("open", function() {
        emptySection(table, 1);
    });
    
    win.open();
})();