Error When Opening Assessments

Summary

Instructions for resolving the error "Object doesn’t support property or method ‘addClassName’" when trying to open a Blackboard assessment in Internet Explorer.

Body

Issue/Question

When I attempt to take an assessment, I see the following error:

Object doesn’t support property or method ‘addClassName’

Environment

  • Internet Explorer 11

Resolution

Internet Explorer is no longer a supported browser for use with Blackboard and another alternate and supported browser should be used. For a list of supported browsers and operating systems please see this article

Details

Details

Article ID: 1640
Created
Mon 7/27/15 3:24 PM
Modified
Fri 2/12/21 11:45 AM