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TypeError: "x" has no properties

Message

TypeError: null has no properties
TypeError: undefined has no properties

Error type

TypeError.

What went wrong?

Both, null and undefined, have no properties you could access.

Examples

null.foo;
// TypeError: null has no properties

undefined.bar;
// TypeError: undefined has no properties

See also

Document Tags and Contributors

 Contributors to this page: fscholz
 Last updated by: fscholz,