import 'dart:html';
void arrowKeystrokes(Event e) {
if(e is KeyboardEvent) {
KeyboardEvent kevt = e as KeyboardEvent;
switch(kevt.keyCode) {
case KeyCode.LEFT:
querySelector("#info").appendHtml("LEFT ");
break;
case KeyCode.UP:
querySelector("#info").appendHtml("UP ");
break;
case KeyCode.DOWN:
querySelector("#info").appendHtml("DOWN ");
break;
case KeyCode.RIGHT:
querySelector("#info").appendHtml("RIGHT ");
break;
default:
querySelector("#info").appendHtml("SOMEKEY ");
}
}
}
void main() {
window.onKeyUp.listen(arrowKeystrokes);
}