An event emitter is a pattern that listens to a named event, fires a callback, then emits that event with a value . Sometimes this is referred to as a “pub/sub” model, or listener.25 Mar 2019
Read moreWhy is event emitter used?
js allows us to create and handle custom events easily by using events module. Event module includes EventEmitter class which can be used to raise and handle custom events. The following example demonstrates EventEmitter class for raising and handling a custom event.
Read moreShould I use event emitter in React?
Event Emitter is useful library in React apps – on, adds listener and start listening on specific events , – once, like above but after first event occurence is removing, – off, removes listener for specific event type, – emit, invokes event and can add payload when is needed.23 Haz 2019
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