Event Emitter
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What is Event Emitter?
In Node.js, an event can be described simply as a string with a corresponding callback. An event can be "emitted" (or, in other words, the corresponding callback be called) multiple times or you can choose to only listen for the first time it is emitted.
Free resources to learn Event Emitter
- Official docsWhat are Event Emitters?
- ArticleUsing Event Emitters in Node.js
More in stage 5: Async Programming
Event Emitter: common questions
Can I learn Event Emitter in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Event Emitter in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Event Emitter tutorial for beginners?
It is lesson 19 of 113 in the free Node.js roadmap, in stage 5, Async Programming. If you are new to Node.js, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.