React is "immediate" so it probably could work. However the accessibility tools in that case operate on the rendered DOM layer. Without such a "retained" struct

React is "immediate" so it probably could work. However the accessibility tools in that case operate on the rendered DOM layer. Without such a "retained" structure it would be very hard. You can imagine web accessibility tools wouldn't like it either if you rebuilt the whole DOM on every change instead of only updating the changed parts.