Go to an assignment grading page (View/grade all submissions) Change the "Assignment per page" setting to "10" Verify you do not receive a javascript warning about unsaved data (the exact message may be browser dependant) "This page is asking you to confirm that you want to leave - data you have entered may not be saved." Change the Filter from "No filter" to "Submitted" Verify you do not receive a javascript warning about unsaved data (the exact message may be browser dependant) "This page is asking you to confirm that you want to leave - data you have entered may not be saved."