Never Punch Manticores

    @primitive/is-nan
    TypeScript icon, indicating that this package has built-in type declarations

    1.1.0 • Public • Published

    is-nan

    NPM NPM CDN LICENSE

    Determine if a value is NaN.

    Usage

        npm install @primitive/is-nan --save   # Install package via NPM
        yarn add @primitive/is-nan             # Install package via Yarn
        import { expect } from "chai";
        import isNaN from "@primitive/is-nan";
    
        expect(isNaN(Math.sqrt(-1))).to.be.true;
        expect(isNaN(0 / 0)).to.be.true;
        expect(isNaN(NaN)).to.be.true;
    
        expect(isNaN(undefined)).to.be.false;
        expect(isNaN(null)).to.be.false;
        expect(isNaN(42).to.be.false;

    This package contains TypeScript type declarations.

    Content Delivery Network (CDN)

    This package can be imported via unpkg as demonstrated below.

        <script src="https://unpkg.com/@primitive/is-nan/dist/index.min.js">
        <script type="application/javascript">
            var x = 0 / 0;
            if (isNaN(x)) {
                // `x` is `NaN`!
            }
        </script>

    Build & Test

    This package uses Gulp for building, and Chai and Mocha for testing.

        npm install     # Installs dependencies.
        npm run build   # Build the project.
        npm test        # Run tests.

    License

    Refer to the LICENSE file for license information.

    Keywords

    Install

    npm i @primitive/is-nan

    DownloadsWeekly Downloads

    3

    Version

    1.1.0

    License

    MIT

    Last publish

    Collaborators

    • mgthomas99