MouseEvent getModifierState() Method
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MouseEvent getModifierState() Method
❮ DOM Events
❮ MouseEvent
Example
Is the Caps Lock key activated?
var x = event.getModifierState("CapsLock");Try it Yourself »
Definition and Usage
The getModifierState() method returns true if the specified modifier key was
pressed, or activated.
Modifier keys that are activated only when they are being pressed down:
- Alt
- AltGraph
- Control
- Meta
- Shift
Modifier keys that are activated when they are clicked, and deactivated when
they are clicked again:
- CapsLock
- NumLock
- ScrollLock
Browser Support
The numbers in the table specify the first browser version that fully supports the
method.
| Method | |||||
|---|---|---|---|---|---|
| getModifierState() | 30 | 9.0 | 15 | 10.1 | 17 |
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Syntax
event.getModifierState(modifierKey)Parameter Values
| Parameter | Description |
|---|---|
| modifierKey | The key to check if is activated or not. Legal Values: "Alt" "AltGraph" "CapsLock" "Control" "Meta" "NumLocK" "ScrollLock" "Shift" |
Technical Details
| Return Value: | A Boolean, true if the specified modifier key is activated, otherwise false. |
|---|---|
| DOM Version: | DOM Level 3 Events |
More Examples
Example
Is the shift key breing pressed down?
var x = event.getModifierState("Shift");Try it Yourself »
Related Pages
HTML DOM reference: MouseEvent altKey Property
HTML DOM reference: MouseEvent ctrlKey Property
HTML DOM reference: MouseEvent metaKey Property
❮ DOM Events
❮ KeyboardEvent
