The MouseEvent.getModifierState() method returns the current state of the specified modifier key: true if the modifier is active (i.e., the modifier key is pressed or locked), otherwise, false.
See the document of KeyboardEvent.getModifierState() for details.
var active = event.getModifierState(keyArg);
A Boolean
keyArgKeyboardEvent.key values which represent modifier keys or "Accel". This is case-sensitive.| Specification | Status | Comment |
|---|---|---|
| Document Object Model (DOM) Level 3 Events Specification The definition of 'getModifierState()' in that specification. | Obsolete | Initial definition. |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 47 | (Yes) | ||||
"Accel" support | No support | ? |
| Feature | Android | Android Webview | Edge | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 47 | (Yes) | 47 | ||||
"Accel" support | No support | 47 | ? | 47 |
MouseEvent this method belongs to.KeyboardEvent.getModifierState
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https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/getModifierState