Use popular 'grammar of data' syntax to filter and subset your two-dimensional JavaScript arrays and more. Here's how to use Arquero for data wrangling in Observable JavaScript and Node.js.

Often we need to convert plain JavaScript Objects and Arrays into Immutable collections. There are a few ways to do this: Since Map keys can be complex, not just strings, we can also construct an ...

AlaSQL.js - JavaScript SQL database for browser and Node.js. Handles both traditional relational tables and nested JSON data (NoSQL). Export, store, and import data from localStorage, IndexedDB, or ...