JavaScript ErrorsError

ReferenceError

errorCodes.js-referenceerror.name

errorCodes.js-referenceerror.description

browsernode

What causes this error

errorCodes.js-referenceerror.cause

How to fix it

errorCodes.js-referenceerror.fix

Example

console.log(undeclaredVar); // ReferenceError: undeclaredVar is not defined

Official Documentation

Related Error Codes

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errorCodes.js-internalerror-too-much-recursion.name

errorCodes.js-internalerror-too-much-recursion.description

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errorCodes.js-ehostunreach.name

errorCodes.js-ehostunreach.description

JavaScript ErrorsError

errorCodes.js-urierror.name

errorCodes.js-urierror.description

JavaScript ErrorsError

SyntaxError: Applying delete to unqualified name in strict mode

errorCodes.js-syntaxerror-strict-mode-delete.name

errorCodes.js-syntaxerror-strict-mode-delete.description

JavaScript ErrorsError

SyntaxError: Unterminated string literal

errorCodes.js-syntaxerror-unterminated-string.name

errorCodes.js-syntaxerror-unterminated-string.description

JavaScript ErrorsError

SyntaxError: JSON.parse unexpected character

errorCodes.js-syntaxerror-json-parse.name

errorCodes.js-syntaxerror-json-parse.description