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    TypeError: "x" has no properties

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    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

    文档标签和贡献者

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     此页面的贡献者： fscholz
     最后编辑者: fscholz,