In order to filter out relvent fields from the javascript object, you need to provide a set of operations to the filter function. Each operation run on the aggregated output of the previous operations ...

Motivation My main motivation was to create a JQL-like query language for JSON objects which I can use to define complex criterias for generating smart music playlist from my music library. My plan ...

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.