{{alias}}( length[, dtype] )
    Returns an array filled with NaNs and having a specified length.

    The function supports the following data types:

    - float64: double-precision floating-point numbers (IEEE 754)
    - float32: single-precision floating-point numbers (IEEE 754)
    - complex128: double-precision complex floating-point numbers
    - complex64: single-precision complex floating-point numbers
    - generic: generic JavaScript values

    The default array data type is `float64`.

    Parameters
    ----------
    length: integer
        Array length.

    dtype: string (optional)
        Data type. Default: 'float64'.

    Returns
    -------
    out: TypedArray|Array
        Output array.

    Examples
    --------
    > var arr = {{alias}}( 2 )
    <Float64Array>[ NaN, NaN ]
    > arr = {{alias}}( 2, 'float32' )
    <Float32Array>[ NaN, NaN ]

    See Also
    --------