JS: the Global Object

By Xah Lee. Date: . Last updated: .

JavaScript the language defines a global object.

What object is the global object depends on the language host.

In web browser, the global object is window.

[see JS: Browser Window Object, Document Object Model]

In node.js, the global object is global.

[see Node.js Tutorial]

The global object has the following properties.


Constant Literals

[see JS: Data Types]

[see JS: null]

Simple Functions

[see JS: Encode URL, Escape String]

Static Function Objects

Primitive Wrapper

Special Objects

Most useful ones:

Error Objects



ECMAScript® 2016 Language Specification#sec-global-object
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