Widget index / Navigation and data · Download this HTML
Ready — try the example.
States and behavior
Pointer and keyboard invocation, disabled command, bounded horizontal placement and focus restoration.
Keyboard
Shift+F10 or the context-menu key opens for the focused document; Up/Down, Home/End and mnemonic letters navigate; Enter selects; Escape restores focus.
Scope and adaptation
A context menu supplements visible commands in a real app. This sample uses no menu bar; browser context menus outside its target remain available.
Sources
Microsoft preliminary guide (1995), chapters 7–8 · Modern browser accessibility pattern
Original implementation; system colors are represented by CSS variables. The default 13 px system-font stack is a readable browser adaptation. The 1995 source is preliminary, not a final product specification. Test the target browser and native host before shipping.