Demo.YearMonthInterval = BI.inherit(BI.Widget, { props: { baseCls: "" }, render: function () { var self = this; return { type: "bi.horizontal_auto", items: [{ type: "bi.year_month_interval", ref: function (_ref) { self.interval = _ref; }, value: { start: { type: 2, value: { year: -1, month: 1 } }, end: { type: 1, value: { year: 2018, month: 1 } } }, width: 400 }, { type: "bi.button", text: "getValue", handler: function () { BI.Msg.toast(JSON.stringify(self.interval.getValue())); }, width: 300 }], vgap: 20 }; } }); BI.shortcut("demo.year_month_interval", Demo.YearMonthInterval);