Article Audit: "Getting started with ARIA"

Created by: scottaohara

The article Getting started with ARIA was originally written back in 2014.

As time has gone on and specifications have been updated, this article could use an audit to ensure it is providing up to date information.

For instance, the final code snippet about Tab Widgets is invalid under the current accepted pattern for tablists. Example:li elements should be set to role=presentation as lis are invalid children of a tablist.