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    validate.io-nan-primitive

    1.0.0 • Public • Published

    nan-primitive

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    Validates if a value is a NaN primitive.

    Installation

    $ npm install validate.io-nan-primitive

    For use in the browser, use browserify.

    Usage

    var isnan = require( 'validate.io-nan-primitive' );

    isnan( value )

    Validates if a value is a NaN primitive.

    var value = NaN;
     
    var bool = isnan( value );
    // returns true

    Note: the method first validates that a value is numeric before validating if a value is NaN. For non-numeric values, the method returns false.

    Examples

    var isnan = require( 'validate.io-nan-primitive' );
     
    console.log( isnan( NaN ) );
    // returns true
     
    console.log( isnan( new Number( NaN ) ) );
    // returns false
     
    console.log( isnan( '5' ) );
    // returns false
     
    console.log( isnan( 5 ) );
    // returns false

    To run the example code from the top-level application directory,

    $ node ./examples/index.js

    Tests

    Unit

    Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:

    $ make test

    All new feature development should have corresponding unit tests to validate correct functionality.

    Test Coverage

    This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:

    $ make test-cov

    Istanbul creates a ./reports/coverage directory. To access an HTML version of the report,

    $ make view-cov

    License

    MIT license.

    Copyright

    Copyright © 2015. Athan Reines.

    Install

    npm i validate.io-nan-primitive

    DownloadsWeekly Downloads

    889

    Version

    1.0.0

    License

    none

    Last publish

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