Native JavaScript Data Structures
JavaScript provides a handful of native data structures that you can start using in your code right now.
JavaScript Data Structures
The JavaScript data structures collection includes implementations and examples of some of the most commonly-used data structures. Data structure snippets are best used as a learning resource, as they might require optimizations to run in production.
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JavaScript · JavaScript Data Structures - Queue
A queue is a linear data structure which follows a first in, first out (FIFO) order of operations.
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JavaScript · JavaScript Data Structures - Stack
A stack is a linear data structure which follows a last in, first out (LIFO) order of operations.
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JavaScript · JavaScript Data Structures - Linked List
A linked list is a linear data structure where each element points to the next.
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JavaScript · JavaScript Data Structures - Doubly Linked List
A doubly linked list is a linear data structure where each element points both to the next and the previous one.
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JavaScript · JavaScript Data Structures - Graph
A graph is a data structure consisting of a set of vertices connected by a set of edges.
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JavaScript · JavaScript Data Structures - Tree
A tree is a data structure consisting of a set of linked nodes representing a hierarchical tree structure.
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JavaScript · JavaScript Data Structures - Binary Tree
A binary tree is a hierarchical data structure of linked nodes with at most two children each.
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JavaScript · JavaScript Data Structures - Binary Search Tree
A binary search tree is a hierarchical data structure of ordered nodes with at most two children each.
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JavaScript · Frequency Map Data Structure
A custom data structure to keep track of value frequencies in an array.
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JavaScript · Big-O Cheat Sheet
Learn everything you need to know about Big-O notation with this handy cheatsheet.