A few years ago, I decided to add a little spice to a web demo that happened to fall on Halloween. Thanks to Eric Grange over at DelphiTools, it was super easy. I updated Eric’s script slightly, to allow control over when the bats appear (and how many there are). You can include my js file directly, or download here, or clone from the github repo. See it in action by clicking this: Show Some Bats! To make your own…