Too Long; Didn't Read
This article is for those who don't read the documentation, and I, who had the Dash app for a few months now, which I never tinkered until last night. The for tag can take an optional for an array whose text is displayed if the given array is empty or could not be found:. for...empty. This tag displays random Latin text, useful for providing sample data in templates. This is useful for creating bar charts and such, and then applying that ratio to a constant.