JavaScript’s built-in objects include Object, JSON, console, String, Math, Date, and the window and global objects. These are some of the most important and useful parts of the JavaScript language.

Get tips for instantiating JavaScript's prototype-based objects two ways: via constructor functions or object initialization.

Topics covered include: Object creation Bracket vs Dot Notation Property descriptors How object references work Prototype chain Modern syntax like spread and destructuring Loop over objects Custom ...