MouseEvent.getModifierState()
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() (en-US) for details.
语法
var active = event.getModifierState(keyArg);返回值
A Boolean
参数
keyArg- A modifier key value. The value must be one of the
KeyboardEvent.keyvalues which represent modifier keys or"Accel". This is case-sensitive.
规范
| Specification | Status | Comment |
|---|---|---|
| Document Object Model (DOM) Level 3 Events Specification getModifierState() |
Obsolete | Initial definition. |
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See also
- The
MouseEventthis method belongs to. KeyboardEvent.getModifierState(en-US)