JavaScript powers Observable, but you may encounter subtle surprises due to the reactive runtime. Keep your JS notebook-friendly with these techniques.

Mike Bostock

Observable

Introduction to generators

Invalidation

Introduction to promises

Tom MacWright

Introduction to require

Jeremy Ashkenas

Introduction to mutable state

Learn how Observable works, from first edit to publish.

Documentation

JavaScript in Observable

can an observable variable which is viewof be mutable as well?

Dan S. Reznik

this explanation helped me solving an infinite-evaluation-problem: "use mutable x to use the current value without creating a dependency"