JavaScript Core Reference: ReferenceError

Thrown if reading a variable that does not exist.

Browser/User Agent Support

IE Mozilla Netscape Opera Safari
5.0+ 1.0+ 6.0+ no no

IE	Mozilla	Netscape	Opera	Safari
5.0+	1.0+	6.0+	no	no

Constructors

Constructor IE Mozilla Netscape Opera Safari
ReferenceError Constructor
Creates a new instance of ReferenceError.
5.0+ 1.0+ 6.0+ no no

Constructor	IE	Mozilla	Netscape	Opera	Safari
ReferenceError Constructor Creates a new instance of ReferenceError.	5.0+	1.0+	6.0+	no	no

Properties

Property IE Mozilla Netscape Opera Safari
message
An error message associated with the ReferenceError.
5.0+ 1.0+ 6.0+ no no

name
Specifies the type of exception.
5.0+ 1.0+ 6.0+ no no

Property	IE	Mozilla	Netscape	Opera	Safari
message An error message associated with the ReferenceError.	5.0+	1.0+	6.0+	no	no

name Specifies the type of exception.	5.0+	1.0+	6.0+	no	no

References

Error | Error.message | Error.name

Availability

JavaScript 1.5 | JScript 5.5 | ECMAScript v3

Constructor Detail

ReferenceError ReferenceError([String message])

Creates a new instance of ReferenceError.

String message An error message associated with the ReferenceError. (optional)

ReferenceError : Error