Deep Dive into Hash Maps: Building a Hash Map with JavaScript

Decoding the Magic of Hash Maps 🧙‍♂️🗝️

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0:00 Introduction: What is a Hash Map?
0:28 Hash Function
0:44 When to Use Hash Maps
1:02 Big O Complexities of Hash Map Operations
1:32 Hash Map Collisions & Their Resolutions
2:03 Implementing a Hash Map in JavaScript
3:18 Recap

#hashmap #datastructuresandalgorithms #hashfunction

🔑 Keywords: Data Structures, Programming, Interview Coding Problems, Hash Maps Overview, Hash Map, Key-Value Pair, Hash Function, Hash Table, Time Complexity, Time Complexities of Hash Maps, Average Time Complexity, Worst Time Complexity, Insertion (O(1)), Deletion (O(1)), Search (O(1)), When to Use Hash Maps, Efficiency, Lookup Speed, Unordered Collection, Unique Keys, Hash Map Collisions, Collision, Conflict Resolution, Separate Chaining (briefly, as part of the basics), Implementing a Hash Map in JavaScript, Hashing Function, Adding Key-Value Pairs, Removing Key-Value Pairs, Finding a Value, JavaScript Built-in Hash Maps, JavaScript Objects, Map Object, Understanding vs. Implementing, Real-World Use Cases.