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JavaScript Data Structures - The Fundamentals
Getting Started
Welcome to the Course! (1:11)
What are "Data Structures"? (4:58)
Course Resources
Arrays: Recap (8:57)
Sets: Recap (5:46)
Arrays vs Sets (1:34)
Objects: Recap (7:05)
Maps: Recap (7:37)
Objects vs Maps (1:43)
WeakSet and WeakMap (2:16)
Linked Lists (A First Custom Data Structures) (2:46)
Starting with Linked Lists and "append" (13:19)
Outputting the Linked List (4:58)
Prepend to Linked Lists (4:09)
Deleting Nodes (10:31)
"find" and "insertAfter" (6:56)
Linked Lists: Why and Time Complexity (5:28)
Linked Lists vs Arrays (7:06)
Module Resources
The Academind Pro Referral Program
Lists & Tables
Module Introduction (0:55)
What are "Lists" and "Tables"? (4:22)
Built-in Lists and Tables (3:42)
Introducing "Stacks" (5:51)
Building a "Stack" Data Structure (7:01)
Considering a Linked List Stack (2:41)
Stacks with Linked Lists (9:12)
Stacks: Time Complexity (4:50)
Introducing Queues (3:24)
Building a Queue (4:34)
Linked Lists & Queues (5:09)
Queue Time Complexity (4:45)
Introducing Hash Tables (4:18)
Why we need Tables (9:54)
Building a Basic Hash Table (12:20)
Understanding Hash Collisions (4:58)
Solving Collisions with Chaining (11:51)
Solving Collisions with Open Addressing (10:42)
Hash Tables: Time Complexity (7:04)
Hash Tables: Summary (4:46)
Module Resources
Trees
Module Introduction (1:35)
What are "Trees"? (3:28)
Core Terminology (8:58)
An Example Tree (2:43)
A First Tree in Code (11:16)
A Better Filesystem Tree (14:10)
Removing Tree Nodes (7:06)
Describing Our Tree (6:49)
Trees: Time Complexity (4:42)
Depth-first vs Breadth-first Search (2:21)
Implementing Depth-first Search (6:01)
Implementing Breadth-first Search (3:27)
Depth-first Search vs Breadth-first Search (5:06)
Introducing Binary Search Trees (BST) (3:34)
Adding Values to BST (6:27)
Finding Values in BST (10:13)
Removing Leaf Nodes in BST (7:46)
Removing "One-Child" Nodes in BST (5:12)
Removing "Multi-Child" Nodes in BST (12:09)
BST Time Complexity (3:38)
Introducing AVL Trees (3:08)
Balancing Trees with Rotations (4:05)
Understanding Balance Factors (2:59)
Adding Depth and Balance Factors (6:25)
Finding the Right Rotation (8:07)
Implementing Left Rotation (9:50)
Implementing Right Rotation (3:21)
Implementing Left-Right Rotation (8:10)
Implementing Right-Left Rotation (3:28)
Testing the AVL Tree (3:06)
AVL vs BST (1:05)
Introducing Tries (3:35)
Building a Trie (12:01)
Finding Nodes in a Trie (3:24)
Deleting Keys (3:57)
Tries: Time Complexity and Comparison to Hash Tables (5:41)
Module Resources
Priority Queues & Heaps
Module Introduction (0:37)
Understanding Priority Queues (2:03)
Building a Regular Queue (4:22)
Building a Basic Priority Queue (7:33)
Priority Queues & Time Complexity (2:07)
Introducing Heaps (3:22)
Exploring the Heap Concept (5:50)
Building a Heap (11:20)
Processing Items (11:51)
A Heap-based Priority Queue (4:34)
Heaps & Time Complexity (5:53)
Module Resources
Graphs
Module Introduction (0:37)
Graphs: What and Why? (6:01)
Graphs with an Adjacency Matrix (9:56)
Using Adjacency Lists Instead (4:27)
Adjacency Lists vs Matrices (5:44)
Building a Graph Structure (7:06)
Adding Graph Methods (7:01)
Removing Nodes & Edges (10:47)
Using Sets in Graphs (7:14)
Summary (1:08)
Building a Social Network Graph (5:53)
Module Resources
Summary & Next Steps
Course Slides
Next Steps
Building a Queue
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