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JScript objects are collections of properties and methods. The following sections link to information that explains how to use JScript objects.


The JScript runtime is not designed to be thread-safe. Consequently, JScript objects and methods may have unpredictable behavior when used in multithreaded applications.

In This Section

ActiveXObject Object

Enables and returns a reference to an Automation object.

arguments Object

Provides access to the arguments passed to the current function.

Array Object

Provides support for creation of arrays of any data type.

Boolean Object

Creates a new Boolean value.

Date Object

Enables basic storage and retrieval of dates and times.

Enumerator Object

Enables enumeration of items in a collection.

Error Object

An object that contains information about errors that occur while JScript code is running.

Function Object

Creates a new function.

Global Object

An intrinsic object whose purpose is to collect global methods into one object.

Math Object

An intrinsic object that provides basic mathematics functionality and constants.

Number Object

An object representation of the number data type and placeholder for numeric constants.

Object Object

Provides functionality common to all JScript objects.

RegExp Object

Stores information on regular expression pattern searches.

Regular Expression Object

Contains a regular expression pattern.

String Object

Allows manipulation and formatting of text strings and determination and location of substrings within strings.

VBArray Object

Provides access to Visual Basic safe arrays.

Related Sections

JScript Reference

Lists elements that comprise JScript Language Reference and links to topics that explain the details behind the proper use of language elements.


Lists the methods, classified alphabetically, available in JScript, and links to each category of methods.


Provides a list of properties available in JScript and links to topics that explain the proper syntax of use of each property.

JScript Objects

Explains the concept of objects in JScript, how objects are related to properties and methods, and links to topics that provide more detail about the objects that JScript supports.

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