Miscellaneous HTML test pages.
- https://scheib.github.io/HTMLMisc/KeyboardSendsClicks.html
- https://scheib.github.io/HTMLMisc/KeyboardState.html
- https://scheib.github.io/HTMLMisc/PointerLockAndFullscreen.html
- http://scheib.github.io/HTMLMisc/PointerLockAndFullscreen-iframes.html
- https://scheib.github.io/HTMLMisc/PointerLockAndFullscreen-iframes.html
- https://scheib.github.io/HTMLMisc/PointerLockLog.html
- https://scheib.github.io/HTMLMisc/WebBluetoothFeatureDetect.html