Event Emitter — LeetCode 2694 Python Solution
MediumJavaScript
- Problem
- #2694
- Reading time
- 2 min
- Source
- leetcode.com
The problem
Design an EventEmitter class. This interface is similar (but with some differences) to the one found in Node.js or the Event Target interface of the DOM.
Example
- Input
- actions = ["EventEmitter", "emit", "subscribe", "subscribe", "emit"],
- Output
- [[],["emitted",[]],["subscribed"],["subscribed"],["emitted",[5,6]]]
- Explanation
- const emitter = new EventEmitter();
Complexity
| Measure | Complexity |
|---|---|
| Time | O(n) |
| Space | O(1) to O(n) auxiliary |
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