Summary
Represents an error when a non-existent variable is referenced.
Description
A ReferenceError is thrown when trying to dereference a variable that has not been declared.
Syntax
new ReferenceError([message[, fileName[, linenumber]]])
Parameters
message
- Human-readable description of the error
fileName
Non-standard- The name of the file containing the code that caused the exception
lineNumber
Non-standard- The line number of the code that caused the exception
Properties
For properties available on
ReferenceError
instances, see Properties of ReferenceError instances.prototype
- Allows the addition of properties to an ReferenceError object.
Methods
For methods available on
ReferenceError
instances, see Methods of ReferenceError instances.The global ReferenceError
contains no methods of its own, however, it does inherit some methods through the prototype chain.
ReferenceError
instances
Properties
- constructor
- Specifies the function that created an instance's prototype.
name
- Error name.
Methods
Although the ReferenceError
prototype object does not contain any methods of its own, ReferenceError
instances do inherit some methods through the prototype chain.
Methods inherited from Object.prototype
__defineGetter__, __defineSetter__, hasOwnProperty, isPrototypeOf, __lookupGetter__, __lookupSetter__, __noSuchMethod__, propertyIsEnumerable, unwatch, valueOf, watch
__defineGetter__, __defineSetter__, hasOwnProperty, isPrototypeOf, __lookupGetter__, __lookupSetter__, __noSuchMethod__, propertyIsEnumerable, unwatch, valueOf, watch