https://github.com/jezen/is-thirteen
Check if a number is equal to 13.
https://github.com/jezen/is-thirteen
Last synced: about 1 year ago
JSON representation
Check if a number is equal to 13.
- Host: GitHub
- URL: https://github.com/jezen/is-thirteen
- Owner: jezen
- Created: 2016-03-23T15:48:26.000Z (over 10 years ago)
- Default Branch: master
- Last Pushed: 2024-10-19T22:09:46.000Z (almost 2 years ago)
- Last Synced: 2025-04-22T17:06:30.269Z (over 1 year ago)
- Language: JavaScript
- Size: 4.69 MB
- Stars: 5,925
- Watchers: 36
- Forks: 491
- Open Issues: 413
-
Metadata Files:
- Readme: README.md
- Code of conduct: code_of_conduct.md
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README
_Special thanks to [@casdr](https://github.com/casdr) for the logo_
# is-thirteen
[](https://travis-ci.org/jezen/is-thirteen)
[](https://gitter.im/gytdau/is-thirteen)
An npm package to check if a number is equal to 13.
## Installation
```sh
npm --save i is-thirteen
```
or
```sh
yarn add is-thirteen
```
## Usage
```javascript
const isThirteen = require('is-thirteen');
// PLEAS READ THE SOURCE CODE BECAuse we moved fast and broke things
i̶s̶T̶h̶i̶r̶t̶e̶e̶n̶(̶2̶5̶)̶;̶ ̶/̶/̶ ̶f̶a̶l̶s̶e̶
i̶s̶T̶h̶i̶r̶t̶e̶e̶n̶(̶1̶3̶)̶;̶ ̶/̶/̶ ̶t̶r̶u̶e̶
```
```javascript
const is = require('is-thirteen');
// Now with elegant syntax.
is(13).thirteen(); // true
is(12.8).roughly.thirteen(); // true
is(6).within(10).of.thirteen(); // true
is(2011).yearOfBirth(); // true
// check your math skillz
is(4).plus(5).thirteen(); // false
is(12).plus(1).thirteen(); // true
is(4).minus(12).thirteen(); // false
is(14).minus(1).thirteen(); // true
is(1).times(8).thirteen(); // false
is(26).divideby(2).thirteen(); // true
```
## Test
```shell
npm test
```
## License
[WTFPL](http://www.wtfpl.net/txt/copying/)
A helpful tool by [Jezen Thomas](https://jezenthomas.com) with helpful
help from [Gytis Daujotas](https://twitter.com/gytdau) and many fine folk.