Data structures

• bloomfilters — Several bloom filter implementations, and an implementation of the CONCISE bitmap.
• Buckets — A complete, fully tested and documented data structure library written in pure JavaScript.
• Data.js — Data Manipulation and Graph Persistence for Node.js and the Browser.
• dict — Easy but safe string-keyed store
• ES6 Harmony Collections Fast Polyfill
• Google Closure Structures
• HashMap
• Hash, OrderedHash and other goodies
• JayData — Cross-platform Javascript library and a set of practices to access and manipulate data from various online and offline sources.
• jaylist — kv-list inspired by Python.
• jParser — Parsing binary files made easy and flexible. (Works in Node.js and browsers.)
• js_cols — A complete, fully tested and documented data structure library written in pure JavaScript. Balanced Tree sets, maps, bags, double ended priority queue and Hash Maps taking arbitrary JS objects as keys.
• jshashtable
• Queue.js — Simple, efficient queue.
• Prefixsearch.js — Trie-backed prefix search library.
• reified — Recursively automagically convert binary data to JavaScript objects. StructType, ArrayType, BitfieldType, NumericTypes, PointerTypes, and Opaque types. Works anywhere ArrayBuffers do.
• [dsjs] (/~https://github.com/monmohan/dsjs) — Collection of search (ordered map) data structures and Tries in JavaScript
• negative-array - Negative array index support using ES6 Proxy. var a=[1,2,3]; a[-1] //=> 3