JS Monitor keyboard events

1. Monitor global keyboard press events, such as listening for global carriage return events

1 $ (document). KeyDown (event) {2 if (Event.keycode = =) {3 alert (' You pressed Enter '); 4}5});

2, listening to a component keyboard press events, such as the Listener ID of BTN button component Carriage return press the event

1 $ ("#btn"). KeyDown (function (event) {2 if (Event.keycode = =) {3 alert (' You pressed Enter '); 4}5});

3, if you want to listen to the combination of keys, such as monitoring Ctrl + C

4. Detailed KeyCode Value list

JS Monitor keyboard events