Lesson 05 · 10 min
Events and process errors
EventEmitter: someone shouts, someone listens. And what to do when it all falls over.
10 minLesson 5 of 10Practice includedAsk AI on any point
A lot of Node is built on events: the server "got a request", a stream "got data", the process "got a signal". EventEmitter has two main methods: on(name, fn) subscribes, emit(name, data) calls every subscriber in turn.
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