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  * [ __ ](../../index.html)
  * [ API reference ](../index.html)
  * [ Index objects ](../indexing.html)
  * pandas.Index.hasnans 

#  pandas.Index.hasnans  #

Index.  hasnans  [ [source]  ](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/indexes/base.py#L2817-L2842) #

    

Return True if there are any NaNs.

Enables various performance speedups.

Returns  :

    

bool

    

Examples

    
    
    >>> 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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  * ` Index.hasnans  `

[ __ Show Source ](../../_sources/reference/api/pandas.Index.hasnans.rst.txt)

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