# xarray.CFTimeIndex.hasnans

#### CFTimeIndex.hasnans

Return True if there are any NaNs.

Enables various performance speedups.

* **Returns:**
  [`bool`](https://docs.python.org/3/builtins/functions.html#bool)

#### SEE ALSO
`Index.isna`
: Detect missing values.

`Index.dropna`
: Return Index without NA/NaN values.

`Index.fillna`
: Fill NA/NaN values with the specified value.

### Examples

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```pycon
>>> s = pd.Series([1, 2, 3], index=["a", "b", None])
>>> s
a    1
b    2
None 3
dtype: int64
>>> s.index.hasnans
True
```

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