Chapter 5: Hash Tables

In this section

• 5.1 Introduction to Hash Tables
  • Key-Value Data Structures: Mastering Hash Tables in JavaScript
    Explore the fundamentals of key-value data structures, focusing on hash tables, their implementation in JavaScript, and their efficiency in data retrieval.
  • Hash Functions: Essential Concepts and Implementations in JavaScript
    Explore the fundamentals of hash functions, their properties, and their crucial role in hash tables. Learn how to implement efficient hash functions in JavaScript to optimize performance and minimize collisions.
  • When to Use Hash Tables: Mastering Data Structures in JavaScript
    Explore the strategic use of hash tables in JavaScript for efficient data management. Learn when to choose hash tables over other data structures, understand their limitations, and discover practical applications.
  • JavaScript Objects as Hash Tables: Understanding, Limitations, and Alternatives
    Explore how JavaScript objects function as hash tables, their limitations, and how ES6 Map and Set offer enhanced capabilities for key-value storage.
• 5.2 Implementing Hash Tables
  • Creating a Hash Table Class in JavaScript: A Comprehensive Guide
    Learn how to implement a hash table class from scratch in JavaScript, understand its internal workings, and explore practical coding examples.
  • Handling Collisions in Hash Tables: Strategies and Implementations
    Explore the intricacies of handling collisions in hash tables using separate chaining and open addressing strategies. Learn to implement these techniques in JavaScript for efficient data management.
  • Resizing and Rehashing in Hash Tables: Optimizing Performance and Efficiency
    Explore the intricacies of resizing and rehashing in hash tables to maintain optimal performance. Learn how to implement dynamic resizing in JavaScript, understand the importance of load factors, and balance the trade-offs between space and time complexity.
  • Optimizing Hash Table Performance in JavaScript: Key Considerations
    Explore the intricacies of hash table performance in JavaScript, focusing on time and space complexities, factors affecting efficiency, and best practices for optimization.
• 5.3 Advanced Hash Table Concepts
  • Open Addressing in Hash Tables: Techniques and Implementations
    Explore open addressing in hash tables, focusing on collision resolution techniques like linear probing, quadratic probing, and double hashing, with practical JavaScript implementations.
  • Separate Chaining in Hash Tables: A Comprehensive Guide
    Explore the intricacies of separate chaining in hash tables, including implementation with linked lists and other data structures, performance considerations, and practical applications in JavaScript.
  • Perfect Hashing: Achieving Collision-Free Hash Tables in JavaScript
    Explore the concept of perfect hashing, its implementation, and applications in JavaScript for static data sets, ensuring collision-free hash tables.
  • Hash Table Security Vulnerabilities: Understanding and Mitigating Risks
    Explore the security vulnerabilities associated with hash tables in JavaScript, including hash flooding attacks, and learn best practices for secure implementation.
• 5.4 Practical Applications
  • Caching Mechanisms: Enhancing Performance with Hash Tables
    Explore caching mechanisms using hash tables in JavaScript, learn to implement simple and LRU caches, and understand cache eviction policies for optimal performance.
  • Implementing Sets and Maps in JavaScript: A Comprehensive Guide
    Master the implementation of sets and maps in JavaScript using hash tables. Learn about set operations, ES6 features, and practical examples.
  • Counting Frequencies in JavaScript: Mastering Data Structures and Algorithms
    Explore the power of counting frequencies using hash tables in JavaScript to solve complex problems like word frequency analysis, anagram detection, and more.
  • Anagram Detection in JavaScript: Mastering Hash Tables for Efficient Solutions
    Explore the art of anagram detection using hash tables in JavaScript. Learn to implement efficient algorithms for checking and grouping anagrams, and apply these techniques in coding interviews.