Widget index / Feedback and layout · Download this HTML
0% — ready
Ready — try the example.
States and behavior
Determinate, indeterminate, complete and canceled.
Keyboard
The bar is not a Tab stop. Buttons operate this manually advanced demonstration.
Scope and adaptation
Use a real job’s measurements in an app; do not invent percentages. Announce milestones instead of every animation frame.
Sources
Microsoft preliminary guide (1995), chapters 7–8
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.