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