{{JSRef("Global_Objects", "Error", "EvalError,InternalError,RangeError,ReferenceError,SyntaxError,TypeError,URIError")}}
Summary
The ReferenceError
object 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_inline}} - The name of the file containing the code that caused the exception
-
lineNumber
{{Non-standard_inline}} - The line number of the code that caused the exception
Properties
- {{jsxref("ReferenceError.prototype")}}
-
Allows the addition of properties to an
ReferenceError
object.
Methods
The global ReferenceError
contains no methods of its own, however, it does inherit some methods through the prototype chain.
ReferenceError
instances
Properties
{{page('en-US/Web/JavaScript/Reference/Global_Objects/ReferenceError/prototype','Properties')}}
Methods
{{page('en-US/Web/JavaScript/Reference/Global_Objects/ReferenceError/prototype','Methods')}}
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 3rd Edition. | Standard | Initial definition. |
{{SpecName('ES5.1', '#sec-15.11.6.3', 'ReferenceError')}} | {{Spec2('ES5.1')}} | |
{{SpecName('ES6', '#sec-native-error-types-used-in-this-standard-referenceerror', 'ReferenceError')}} | {{Spec2('ES6')}} |
Browser compatibility
{{ CompatibilityTable() }}
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} |
See also
- {{jsxref("Error")}}
- {{jsxref("ReferenceError.prototype")}}