Welcome to Notch Scripting which aims to give you what you need to get started in your scripting journey.

Notch employs a Javascript engine to allow you to programmatically manipulate the nodes in your scene.

It is useful for building logic into your scene or triggering changes from external sources. The Javascript engine runs with Builder, in Exported media server blocks or Exported standalone executables.

Anatomy of a Notch JS Script What does a Notch JS script look like?
Adding a JS script to your scene Getting your code in there and keeping it fresh
Manipulating the scene with JS Getting real work done