Undefined Class

Represents an undefined value.

Inheritance Hierarchy

SystemObject
Microsoft.ClearScriptUndefined

Namespace: Microsoft.ClearScript
Assembly: ClearScript.Core (in ClearScript.Core.dll) Version: 7.4.5

Syntax

C++

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public class Undefined

Public Class Undefined

public ref class Undefined

type Undefined = class end

The Undefined type exposes the following members.

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object)
	ToString	Returns a string that represents the current object. (Overrides ObjectToString)

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Fields

	Name	Description
	Value	The sole instance of the Undefined class.

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Remarks

Some script languages support one or more special non-null values that represent nonexistent, missing, unknown, or undefined data. The ClearScript library maps such values to an instance of this class.

Reference

Microsoft.ClearScript Namespace

UndefinedImportValue