Test if a value is an array-like object containing only NaN values.
npm install @stdlib/assert-is-nan-arrayvar isNaNArray = require( '@stdlib/assert-is-nan-array' );Tests if a value is an array-like object containing only NaN values.
var bool = isNaNArray( [ NaN, NaN, NaN ] ); // returns true bool = isNaNArray( [ NaN, 2 ] ); // returns falseTests if a value is an array-like object containing only primitive NaN values.
var Number = require( '@stdlib/number-ctor' ); var bool = isNaNArray.primitives( [ NaN, NaN, NaN ] ); // returns true bool = isNaNArray.primitives( [ NaN, new Number( NaN ) ] ); // returns falseTests if a value is an array-like object containing only object NaN values.
var Number = require( '@stdlib/number-ctor' ); var bool = isNaNArray.objects( [ new Number( NaN ), new Number( NaN ) ] ); // returns true bool = isNaNArray.objects( [ NaN, new Number( NaN ) ] ); // returns false bool = isNaNArray.objects( [ NaN, NaN, NaN ] ); // returns falsevar Number = require( '@stdlib/number-ctor' ); var Float64Array = require( '@stdlib/array-float64' ); var isNaNArray = require( '@stdlib/assert-is-nan-array' ); var bool = isNaNArray( [ NaN ] ); // returns true bool = isNaNArray( [ NaN, NaN, NaN ] ); // returns true bool = isNaNArray( [ new Number( NaN ), NaN, NaN ] ); // returns true bool = isNaNArray( new Float64Array( [ NaN, NaN ] ) ); // returns true bool = isNaNArray( NaN ); // returns false bool = isNaNArray( [ 'a', 'b', 'c' ] ); // returns false bool = isNaNArray( [ 'a', NaN ] ); // returns falseThis package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
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