Handsontable - 保存 handsontable 数据本地持久化

hot=newHandsontable(container, {
data: [],
dataSchema: {id: null},
startCols: 4,
colHeaders: ["ID"],
columns: [
      {data: 'id'}
    ],
rowHeaders: true,
minSpareRows: 4,
afterChange: function (change, source) {
// restore table after reload of a pageif (source==="loadData") {
// load data from local storageif (localStorage['data']) {
vardata=JSON.parse(localStorage['data'])
this.loadData(data);
this.render();
return            }
        }
else {
// save all data to local storge if the edit happendslocalStorage['data'] =JSON.stringify(this.getData());
return        }
    }
});