Demonstration of Developer Tools bug in IE

Summary of the issue

This HTML file demonstrates a bug in IE where javascript causes an error on a user's machine but does not on the developer's machine because the developer, most likely, has opened the Developer Tools at some point

For more information on this bug see this blog post.

Demonstration - IE Only

This paragraph exists in the HTML.

This paragraph is not yet updated by javascript.

This paragraph is not yet updated by javascript, and if the Developer Tools are not present, it won't update.