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Stylus / Digital Pen diagnostics

Test what the browser can see. Know when it cannot.

Separate touch/pointer recognition from app-specific pressure, hover, shortcut and palm-rejection behavior.

Run these first

Relevant live checks

Touchscreen TestDraw on the screen to verify touch/pointer coverage.
→
Mouse Button TestVerify left, right, middle, and extra mouse button events.
→
First diagnostic sequence

Do the high-signal checks before risky changes

  1. 1

    Test basic pointer/touch response

  2. 2

    Confirm the pen is charged/paired if required

  3. 3

    Compare the manufacturer notes app or diagnostics

What DeviceOK/browser can help check
  • Observe pointer/touch events on supported devices
  • Help determine whether the browser sees basic pen interaction
What this browser page cannot prove
  • Expose every pressure/tilt capability consistently
  • Test charging/battery electronics generically