Naughty Platypus Memorabilia

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

    1.0.3 • Public • Published

    is-number

    Determine if a value is Number

    install

    npm i @silen/is-number
    

    api

    • declare function isNumber(val: any): boolean;

    usage

    const { isNumber } = require('@silen/is-number');
    // or
    import { isNumber } from '@silen/is-number';
    
    console.log(isNumber(new Buffer(4)));
    console.log(isNumber(Buffer.alloc(4)));
    console.log(isNumber(undefined));
    console.log(isNumber(null));
    console.log(isNumber(''));
    console.log(isNumber(true));
    console.log(isNumber(0));
    console.log(isNumber(1));
    console.log(isNumber(1.0));
    console.log(isNumber('string'));
    console.log(isNumber({}));
    console.log(isNumber(function foo() {}));
    console.log(isNumber(Symbol()));
    console.log(isNumber(new Set));
    console.log(isNumber(new Map));
    console.log(isNumber(new WeakMap));
    console.log(isNumber(new WeakSet));
    
    // or
    console.log(window.Type.isNumber(new WeakSet));

    This is a demo for testing the usage of isNumber from @silen/is-number module. You can try the others and do likewise.

    others

    Install

    npm i @silen/is-number

    DownloadsWeekly Downloads

    8

    Version

    1.0.3

    License

    MIT

    Unpacked Size

    7.92 kB

    Total Files

    9

    Last publish

    Collaborators

    • silentsun