The review aims to be empirical, arguing that certain patterns should be standardized because they are already commonly used in the web.

Which means, we need data on the frequency of use of the different JS tools.
https://trends.builtwith.com/mapping/ has numbers, but no methodology. @briankardell was going to try to get some numbers from HTTP archive searches, but any other sources would be a help.

Relevant section: https://maps4html.github.io/HTML-Map-Element-UseCases-Requirements/#js-examples