Error is a functionEvalError is a functionRangeError is a functionReferenceError is a functionSyntaxError is a functionTypeError is a functionURIError is a functionError.arity 1EvalError.arity 1RangeError.arity 1ReferenceError.arity 1SyntaxError.arity 1TypeError.arity 1URIError.arity 1truemy errorErrorthrown @ 49trueReferenceError"foo" is not definedtrueTypeErrorCannot call undefinedErrorEvalErrorRangeErrorReferenceErrorSyntaxErrorTypeErrorURIError