This detailed tutorial shows how to implement pure functions in JavaScript that are deterministic and referentially transparent, and create no side effects.

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.

And while the introduction to pico.js is an excellent primer on object detection, it reads more like a research paper and less like API docs. The examples provided are more than enough to put the ...