JavaScript DSA basics
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Common JavaScript structures
- Arrays for indexed data
Mapfor key-value pairsSetfor unique valuesObjectfor dictionary-like accessStackimplemented using arraysQueueimplemented using arrays orshift/pushPriorityQueueusing custom heap logic
Key principle
Use the simplest structure that matches the problem requirement.
Adapted from 16_DSA_JAVASCRIPT.md · “1. JavaScript DSA basics”. Code examples are study fragments. Difficulty and core labels are editorial estimates; version-specific behavior should be checked against your project.