<script> var dataSource = new kendo.data.DataSource({ data: [ { id: 1, name: "Jane Doe" }, { id: 2, name: "John Doe" } ], schema: { model: { id: "id" } } }); dataSource.fetch(function() { var dataItem = dataSource.at(0); dataSource.remove(dataItem); var data = dataSource.data(); /* The result can be observed in the DevTools(F12) console of the browser. */ console.log(data.length); // displays "1" /* The result can be observed in the DevTools(F12) console of the browser. */ console.log(data[0].name); // displays "John Doe" }); </script>