The sample-localstorage example we have works in the simulator and you can see the items by starting the debugger and look at the Resources Tab -> Local Storage. You can also add console.log in your code that would be shown in the Graphite and Mist console.
the Telerik team
Share feedback and vote for features on our Feedback Portal.
Want some Kendo UI online training - head over to Kendo UI Dojo.