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Showing content from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects below:

Standard built-in objects - JavaScript

This chapter documents all of JavaScript's standard, built-in objects, including their methods and properties.

The term "global objects" (or standard built-in objects) here is not to be confused with the global object. Here, "global objects" refer to objects in the global scope.

The global object itself can be accessed using the this operator in the global scope. In fact, the global scope consists of the properties of the global object, including inherited properties, if any.

Other objects in the global scope are either created by the user script or provided by the host application. The host objects available in browser contexts are documented in the API reference.

For more information about the distinction between the DOM and core JavaScript, see JavaScript technologies overview.

These global properties return a simple value. They have no properties or methods.

• globalThis
• Infinity
• NaN
• undefined

These global functions—functions which are called globally, rather than on an object—directly return their results to the caller.

• eval()
• isFinite()
• isNaN()
• parseFloat()
• parseInt()
• decodeURI()
• decodeURIComponent()
• encodeURI()
• encodeURIComponent()
• escape() Deprecated
• unescape() Deprecated

These objects represent fundamental language constructs.

• Object
• Function
• Boolean
• Symbol

Error objects are a special type of fundamental object. They include the basic Error type, as well as several specialized error types.

• Error
• AggregateError
• EvalError
• RangeError
• ReferenceError
• SyntaxError
• TypeError
• URIError
• InternalError Non-standard

These are the base objects representing numbers, dates, and mathematical calculations.

• Number
• BigInt
• Math
• Date
• Temporal

These objects represent strings and support manipulating them.

• String
• RegExp

These objects represent collections which use keys. The iterable collections (Map and Set) contain elements which are easily iterated in the order of insertion.

• Map
• Set
• WeakMap
• WeakSet

These objects represent and interact with structured data buffers and data coded using JavaScript Object Notation (JSON).

• ArrayBuffer
• SharedArrayBuffer
• DataView
• Atomics
• JSON

These objects interact with the garbage collection mechanism.

• WeakRef
• FinalizationRegistry

Control abstractions can help to structure code, especially async code (without using deeply nested callbacks, for example).

• Iterator
• AsyncIterator
• Promise
• GeneratorFunction
• AsyncGeneratorFunction
• Generator
• AsyncGenerator
• AsyncFunction

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