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EventEmitter.on() method
Subscribes a listener function to a specified event.
Signature:
typescript
on(event: string, listener: (...args: any[]) => void): void;on(event: string, listener: (...args: any[]) => void): void;Parameters
| Parameter | Type | Description |
|---|---|---|
| event | string | The name of the event to which the listener should be subscribed. |
| listener | (...args: any[]) => void | The callback function that will be invoked when the event is emitted. |
Returns:
void
Example
js
const emitter = new EventEmitter();
emitter.on('data', (data) => console.log(data));const emitter = new EventEmitter();
emitter.on('data', (data) => console.log(data));