$event
A special name inside an event binding that holds the browser's event object, or the value an output emitted. In Kettle & Crane's note box, `onNote($event)` reads the typed text from it.
A special name inside an event binding that holds the browser's event object, or the value an output emitted. In Kettle & Crane's note box, `onNote($event)` reads the typed text from it.