artwork over canvas isolation toggle
Toggle function that changes the view between showing all artwork in a drawing, and only showing everything that is actually over the canvas. basically, a quick and easy toggle to see what an exported pdf would look like. Exactly like the toggle built into InDesign (toggled by "w").
It’ already here in Ai.
View > Trim View.
You can assign any hotkey you want to it.
There is also a Presentation mode, but it does a different thing.