| PASS | KeyboardEvent.getModifierState() returns false for every modifier when none are set | |
| PASS | KeyboardEvent.getModifierState('Control') reflects ctrlKey in isolation | |
| PASS | KeyboardEvent.getModifierState('Shift') reflects shiftKey in isolation | |
| PASS | KeyboardEvent.getModifierState('Alt') reflects altKey in isolation | |
| PASS | KeyboardEvent.getModifierState('Meta') reflects metaKey in isolation | |
| PASS | KeyboardEvent.getModifierState('AltGraph') reflects modifierAltGraph in isolation | |
| PASS | KeyboardEvent.getModifierState('CapsLock') reflects modifierCapsLock in isolation | |
| PASS | KeyboardEvent.getModifierState() reports every modifier when all are set | |
| PASS | MouseEvent.getModifierState() returns false for every modifier when none are set | |
| PASS | MouseEvent.getModifierState('Control') reflects ctrlKey in isolation | |
| PASS | MouseEvent.getModifierState('Shift') reflects shiftKey in isolation | |
| PASS | MouseEvent.getModifierState('Alt') reflects altKey in isolation | |
| PASS | MouseEvent.getModifierState('Meta') reflects metaKey in isolation | |
| PASS | MouseEvent.getModifierState('AltGraph') reflects modifierAltGraph in isolation | |
| PASS | MouseEvent.getModifierState('CapsLock') reflects modifierCapsLock in isolation | |
| PASS | MouseEvent.getModifierState() reports every modifier when all are set | |