Scalable Dropdowns update

In our initial meeting on Wednesday (IRC log), we outlined some steps and a fairly aggressive timeline to get ourselves in a place where changes to wp_dropdown_users() (#19867) and wp_dropdown_pages() (#9864) are suitable for patchpatch A special text file that describes changes to code, by identifying the files and lines which are added, removed, and altered. It may also be referred to as a diff. A patch can be applied to a codebase for testing. review.

To that end, we’ve opened a handful of issues on GitHub for work and discussion, so that we can track completion. These tasks include evaluating various accessibilityAccessibility Accessibility (commonly shortened to a11y) refers to the design of products, devices, services, or environments for people with disabilities. The concept of accessible design ensures both “direct access” (i.e. unassisted) and “indirect access” meaning compatibility with a person’s assistive technology (for example, computer screen readers). (https://en.wikipedia.org/wiki/Accessibility) areas (touch, mobile, keyboard, screen reader), creating a JSJS JavaScript, a web scripting language typically executed in the browser. Often used for advanced user interfaces and behaviors. wrapper, UIUI User interface skinning, and page hierarchy representation. Please check them out and participate as you are able and willing. Let’s keep those issues task-oriented, however – any other questions or comments can go here.

#4-1, #dropdowns, #plugins