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Warning: unreachable code after return statement.Warning: String.x is deprecated use instead.Warning: expression closures are deprecated.Warning: 08/09 is not a legal ECMA-262 octal constant.Warning: -file- is being assigned a //# sourceMappingURL, but already has one.TypeError: X.prototype.y called on incompatible type.TypeError: setting getter-only property "x".TypeError: Reduce of empty array with no initial value.TypeError: property "x" is non-configurable and can't be deleted.TypeError: invalid assignment to const "x".TypeError: invalid 'instanceof' operand 'x'.TypeError: cannot use 'in' operator to search for 'x' in 'y'.TypeError: can't redefine non-configurable property "x".TypeError: can't delete non-configurable array element.
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TypeError: can't define property "x": "obj" is not extensible.TypeError: can't convert BigInt to number.TypeError: can't assign to property "x" on "y": not an object.TypeError: "x" is not a non-null object.Synta圎rror: Using to indicate sourceURL pragmas is deprecated.Synta圎rror: unterminated string literal.Synta圎rror: unparenthesized unary expression can't appear on the left-hand side of '**'.Synta圎rror: Unexpected '#' used outside of class body.Synta圎rror: test for equality (=) mistyped as assignment (=)?.Synta圎rror: redeclaration of formal parameter "x".Synta圎rror: missing = in const declaration.Synta圎rror: missing } after property list.Synta圎rror: missing } after function body.Synta圎rror: missing ] after element list.Synta圎rror: missing ) after argument list.Synta圎rror: missing : after property id.Synta圎rror: Malformed formal parameter.Synta圎rror: invalid regular expression flag "x".Synta圎rror: invalid assignment left-hand side.
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Synta圎rror: "0"-prefixed octal literals and octal escape seq.ReferenceError: reference to undefined property "x".ReferenceError: deprecated caller or arguments usage.ReferenceError: can't access lexical declaration 'X' before initialization.ReferenceError: assignment to undeclared variable "x".RangeError: x can't be converted to BigInt because it isn't an integer.RangeError: repeat count must be non-negative.RangeError: repeat count must be less than infinity.RangeError: argument is not a valid code point.Error: Permission denied to access property "x".
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