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.key
values which represent modifier keys or"Accel"
. This is case-sensitive.
规范
Specification |
---|
UI Events # dom-mouseevent-getmodifierstate |
浏览器兼容性
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See also
- The
MouseEvent
this method belongs to. KeyboardEvent.getModifierState
(en-US)