@alwatr/is-number
Advanced tools
A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.
A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.
yarn add @alwatr/is-number
import {isNumber} from '@alwatr/is-number';
isNumber('1'); // true
console.log(typeof '123'); //=> 'string'
console.log(+[]); //=> 0
console.log(+''); //=> 0
console.log(+' '); //=> 0
console.log(typeof NaN); //=> 'number'
console.log(typeof Infinity); //=> 'number'
isNumber(5e3); // true
isNumber(0xff); // true
isNumber(-1.1); // true
isNumber(0); // true
isNumber(1); // true
isNumber(1.1); // true
isNumber('-1.1'); // true
isNumber('0'); // true
isNumber('0xff'); // true
isNumber('1'); // true
isNumber('1.1'); // true
isNumber('5e3'); // true
isNumber('012'); // true
isNumber(parseInt('012')); // true
isNumber(parseFloat('012')); // true
isNumber(Infinity); // false
isNumber(NaN); // false
isNumber(null); // false
isNumber(undefined); // false
isNumber(''); // false
isNumber(' '); // false
isNumber('foo'); // false
isNumber([1]); // false
isNumber([]); // false
isNumber(function () {}); // false
isNumber({}); // false
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Contributions are welcome! Please read our contribution guidelines before submitting a pull request.
This project is licensed under the AGPL-3.0 License.
5.0.0 (2024-11-02)
optionalCo-authored-by: Ali Mihandoost ali@mihandoost.com
get-env-value package (b2a89e1) by @http-utils package (8fd5e78) by @resolve-url package (a884212) by @package-tracer (f570030) by @definePackage to use deduplicate for backward compatibility (990b994) by @@alwatr/util (4cc22ed) by @weaver configs(--preset=weaver) (1bae458) by @__package_name__ (d071d0b) by @global-this (97aa2d0) by @nanolib package to export the common packages (1610b1e) by @http-utils (ab816d2) by @node packages from their files (e039a2f) by @resolve-url from nanolib package (ea40407) by @dedupe package (10c5ffc) by @get-env-package (0e9e492) by @@alwatr/math (f5e32d0) by @render-state package (7f5b112) by @unicode-digits package (2ee138e) by @packageTracer (425e3f9) by @package-tracer (cc3c5f9) by @import & use __package_name__ (1ebbe92) by @demo based on new API (650f159) by @microservice preset (e5e4826) by @mangleProps temporary (65d95cc) by @unicode-digits & update its deps (28a6a65) by @preset option of nano-build to module3 (2d49433) by @exports key for new files (0e9f4aa) by @prototype to check exactly (15dfb6e) by @README (ea2513a) by @interface to type (c9e6970) by @global-this package & remove global type (63f5a3b) by @global-this package & remove global type & prevent sidee-ffects (092d448) by @dedupe anymore (e6c3ce9) by @global-this & update exports key in package.json (42c8081) by @functions & improve the code style (207af08) by @global-this package (42510b9) by @eslint-plugin-require-extensions to peerDependencies (77d0468) by @include: scope from commit-message configuration (8786590) by @imports & test the result of build (7ba474f) by @FAQs
A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.
The npm package @alwatr/is-number receives a total of 137 weekly downloads. As such, @alwatr/is-number popularity was classified as not popular.
We found that @alwatr/is-number demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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