JS: the Global Object

Purpose of Global Object

Global object holds all variable/object/function of the JavaScript language as properties.

Value of Global Object

What object is the Global Object depends on the language host.

In web browser, the Global Object is window. 〔see Browser Window Object〕

In Deno, the Global Object is window.

In node.js, the Global Object is global. 〔see Node.js Tutorial〕

globalThis (variable)

• JS: globalThis

Constant Literals

• JS: Infinity
• JS: NaN
• JS: undefined

Simple Functions

• JS: eval
• JS: isFinite
• JS: isNaN
• JS: parseInt
• JS: parseFloat
• JS DOM: encodeURI, decodeURI
• JS DOM: encodeURIComponent, decodeURIComponent
• JS DOM: escape, unescape

Static Objects

• JS: JSON (namespace)
• JS: Math (namespace)
• JS: Reflect (namespace)

Primitive Wrapper

• JS: Number (class)
• JS: Boolean (class)
• JS: String (class)
• JS: BigInt (class)

Special Objects

• JS: Object (class)
• JS: Array (class)
• JS: Function (class)
• JS: RegExp (class)
• JS: Date (class)
• JS: Set (class)
• JS: Map (class)
• JS: Symbol (class)

• WeakSet
• WeakMap
• JS: Proxy
• JS: Promise Tutorial

Error Objects

• JS: Error Object

• EvalError
• RangeError
• ReferenceError
• SyntaxError
• TypeError
• URIError

Misc

• DataView
• ArrayBuffer
• Float32Array
• Float64Array
• Int8Array
• Int16Array
• Int32Array
• Uint8Array
• Uint8ClampedArray
• Uint16Array
• Uint32Array