KeyboardEvent()

KeyboardEvent() constructor 能用來建立一個新的 KeyboardEvent。

語法

 event = new KeyboardEvent(typeArg, KeyboardEventInit);

參數

typeArg

一 DOMString 用來表示事件名稱。

KeyboardEventInit選擇性

一個 KeyboardEventInit dictionary，能接受以下參數：

參數	可選	默認值	類型	說明
"key"	●	""	DOMString	用來設定 KeyboardEvent.key 的值
"code"	●	""	DOMString	用來設定 KeyboardEvent.code 的值
"location"	●	0	unsigned long	用來設定 KeyboardEvent.location 的值
"ctrlKey"	●	false	Boolean	用來設定 KeyboardEvent.ctrlKey 的值
"shiftKey"	●	false	Boolean	用來設定 KeyboardEvent.shiftKey 的值
"altKey"	●	false	Boolean	用來設定 KeyboardEvent.altKey 的值
"metaKey"	●	false	Boolean	用來設定 KeyboardEvent.metaKey 的值
"repeat"	●	false	Boolean	用來設定 KeyboardEvent.repeat 的值
"isComposing"	●	false	Boolean	用來設定 KeyboardEvent.isComposing 的值
"charCode"	●	0	unsigned long	用來設定 KeyboardEvent.charCode 的值
"keyCode"	●	0	unsigned long	用來設定 KeyboardEvent.keyCode 的值
"which"	●	0	unsigned long	用來設定 KeyboardEvent.which 的值

 KeyboardEventInit dictionary 亦接受 UIEventInit 和EventInit 所接受的參數。

規格

瀏覽器支援度

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

延伸閱讀

• KeyboardEvent ，此 constructer 所建立的 object 的 interface