Based on what I remember from the lengthy discussion in #1855 about Iframe with interactive elements is not excluded from tab-order, I think we should change that to "that does not have a negative tabindex".
That would at least align the vocabulary used, and in the former we did discuss a lot about the wording before deciding on using the tabindex.
In Iframe element has non-empty accessible name, we target "(
iframe) that can be accessed by sequential focus navigation."Based on what I remember from the lengthy discussion in #1855 about Iframe with interactive elements is not excluded from tab-order, I think we should change that to "that does not have a negative
tabindex". That would at least align the vocabulary used, and in the former we did discuss a lot about the wording before deciding on using thetabindex.