JavaScript is everywhere nowadays. It's used for a large number of components in websites, and sometimes the whole website can be javascript front to back, served as a single page website.

Screen readers are pieces of software that sit above your web browser, and when JavaScript starts getting involved and alters the way a page looks, or how the browser should react, then things start to get interesting/amusing/frustrating/painful depending on your perspective.

This is a quick fire talk showing some examples of problems and how making some small changes can help improve your sites experience for users with impairments.