Evento tastiera HTML DOM
L'oggetto KeyboardEvent
Gli eventi che si verificano quando l'utente preme un tasto sulla tastiera appartiene all'oggetto KeyboardEvent.
Proprietà e metodi di KeyboardEvent
Property/Method | Description |
---|---|
altKey | Returns whether the "ALT" key was pressed when the key event was triggered |
charCode | Returns the Unicode character code of the key that triggered the event |
code | Returns the code of the key that triggered the event |
ctrlKey | Returns whether the "CTRL" key was pressed when the key event was triggered |
getModifierState() | Returns true if the specified key is activated |
isComposing | Returns whether the state of the event is composing or not |
key | Returns the key value of the key represented by the event |
keyCode | Deprecated. Avoid using it. |
location | Returns the location of a key on the keyboard or device |
metaKey | Returns whether the "meta" key was pressed when the key event was triggered |
repeat | Returns whether a key is being hold down repeatedly, or not |
shiftKey | Returns whether the "SHIFT" key was pressed when the key event was triggered |
which | Returns the Unicode character code of the key that triggered the onkeypress event, or the Unicode key code of the key that triggered the onkeydown or onkeyup event |
Proprietà e metodi ereditati
KeyboardEvent eredita tutte le proprietà e i metodi da:
Tipi di eventi
Questi tipi di eventi appartengono all'oggetto KeyboardEvent:
Event | Description |
---|---|
onkeydown | The event occurs when the user is pressing a key |
onkeypress | The event occurs when the user presses a key |
onkeyup | The event occurs when the user releases a key |