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JavaScript: The Definitive Guide, 5th Edition
book

JavaScript: The Definitive Guide, 5th Edition

by David Flanagan
August 2006
Intermediate to advanced
1018 pages
34h 13m
English
O'Reilly Media, Inc.
Content preview from JavaScript: The Definitive Guide, 5th Edition

Name

ReferenceError: thrown when reading a variable that does not exist — ECMAScript v3: Object → Error → ReferenceError

Constructor

new ReferenceError( )
new ReferenceError(message)

Arguments

message

An optional error message that provides details about the exception. If specified, this argument is used as the value for the message property of the ReferenceError object.

Returns

A newly constructed ReferenceError object. If the message argument is specified, the Error object uses it as the value of its message property; otherwise, it uses an implementation-defined default string as the value of that property. When the ReferenceError( ) constructor is called as a function, without the new operator, it behaves just as it would with the new operator.

Properties

message

An error message that provides details about the exception. This property holds the string passed to the constructor or an implementation-defined default string. See Error.message for details.

name

A string that specifies the type of the exception. All ReferenceError objects inherit the value “ReferenceError” for this property.

Description

An instance of the ReferenceError class is thrown when you attempt to read the value of a variable that does not exist. See Error for details about throwing and catching exceptions.

See Also

Error, Error.message, Error.name
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Publisher Resources

ISBN: 0596101996Errata Page