Array
↔ Global Object Prototype for Array data type
JSON
↔ Global Object API to acccess Static Method to convert/parse JSON
Front-End App (JS)
↔ App to Execute in Browser Runtime with access to window
(Global Object)
Math
↔ Global Object with built-in mathematical constants & functions
RegExp
↔ regex Global Object to make Regular Expressions in JS
External System
↔ e.g. DOM API element, Global Object, fetch request
Location
↔ location Global Object for window
instance
window
↔ Interface to rep Browser. Global Object to access most global properties & methods
Autoboxing
↔ Global Object Wrapper for Primitive to share methods & properties