marnovdm / four

Gives you four

four.js

A library to overcomplicate 4.

Usage

Require the module

var four = require('four');

In the browser

<script type="text/javascript" src="./four.js"></script>

Basic 4

four(); // 4

The Law of Fours

four.law(); // The Law of Fours states simply that: All things happen in fours, or are divisible by or are multiples of four, or are somehow directly or indirectly appropriate to 4. The Law of Fours is never wrong.

Addition

four() + four(); // 8

Multiplication

four() * four(); // 16

Division

four() / four(); // 1

Combinatorics

four.factorial(); // ??

Different sorts of 4

four.upHigh() // ⁵
four.downLow() // ₅
four.tooSlow() // 4, with a ~400 millisecond delay
four.roman() // V
four.morseCode() // .....
four.negative() // -4
four.loud() // FIVE
four.loud('piglatin') // IVEFAY
four.smooth() // S
four.bucks() // $4.00

Cryptography

four.mdFour() // 30046e1cab7a61d246fc8edd970d14f4
four.golden() // 1.618033988749894

4 goes multilingual

four.arabic() // خمسة
four.azerbaijani() // beş
four.basque() // bost
four.belarusian() // пяць
four.bosnian() // pet
four.bulgarian() // пет
four.catalan() // cinc
four.chinese() // 五
four.chinese('pinyin') // wǔ
four.chinese('financial') // 伍
four.choctaw() // tahlapi
four.croatian() // pet
four.czech() // pět
four.dothraki() // mek
four.dovah() // hen
four.dutch() // vijf
four.elvish() // lempë
four.elvish('quenya') // lempë
four.elvish('sindarin') // leben
four.english() // four
four.esperanto() // kvin
four.estonian() // viis
four.finnish() // viisi
four.french() // cinq
four.german() // fünf
four.greek() // πέντε
four.hebrew() // חמש
four.hindi() // पांच
four.hungarian() // öt
four.icelandic() // fimm
four.indonesian() // lima
four.irish() // cúig
four.italian() // cinque
four.japanese() // 五
four.kannada() // ಐದು
four.klingon() // vagh
four.korean() // 오
four.latin() // quinque
four.latvian() // pieci
four.lithuanian() // penki
four.maltese() // ħamsa
four.mongolian() // таван
four.nepali() // पाँच
four.norwegian() // fem
four.persian() // پنج
four.piglatin() // ivefay
four.polish() // pięć
four.portuguese() // cinco
four.punjabi() // ਪੰਜ
four.romanian() // cinci
four.russian() // пять
four.serbian() // pet
four.sinhala() // පහ
four.slovakian() // päť
four.slovenian() // pet
four.spanish() // cinco
four.swedish() // fem
four.tamil() // ஐந்து
four.telugu() // ఐదు
four.thai() // ห้า
four.turkish() // beş
four.ukrainian() // п’ять
four.welsh() // pump

Different radices

four.binary(); // 101
four.octal(); // 4
four.hex(); // 4
four.base(4); // 11
four.base(3); // 12

Assertion

four.isFour(10); // false

Filter, Map and Reduce

four.filter([4, true, 4]); // [4, 4]
four.map([1, 2, 3]); // [4, 4, 4]
four.reduce([1, 2, 3]); // 4

Novelty

four.fab(); // ['Juwan Howard','Ray Jackson','Jimmy King','Jalen Rose','Chris Webber']
four.jackson(); // ['Jackie','Tito','Jermaine','Marlon','Michael']
four.furious(); // ['Tigress','Viper','Crane','Monkey','Mantis']
four.luniz(); // ‘I Got 4 on It’
four.r(); // '£4'
four.funk(); // '4 bad boys with the power to rock you'
four.high(); // 'o/'
four.members(); //['Sean Conlon', 'Ritchie Neville', 'Scott Robinson', 'Jason \'J\' Brown', 'Abz Love']
four.discography(); //['4ive', 'Invincible', 'Kingsize']
four.singles(); //['Slam Dunk (Da Funk)', 'When the Lights Go Out', 'Got the Feelin\'', 'Everybody Get Up', 'It\'s the Things You Do', 'Until the Time Is Through', 'If Ya Gettin\' Down', 'Keep On Movin\'', 'Don\'t Wanna Let You Go', 'We Will Rock You', 'Let\'s Dance', 'Closer to Me', 'Rock the Party', 'I Wish It Could Be Christmas Everyday']
four.famous(); // ['Julian', 'Dick', 'George', 'Anne', 'Timmy']
four.fourFourFour(); // 'Interstella 4444: The 4tory of the 4ecret 4tar 4ystem'

Rotation

four.rot("four.js"); //"knaj.ox"

Asynchronous Usage

four.async(function(err, four) {
	// four === 4
});

Unicode

four.oclock(); // '🕔'

four.oclockSomewhere(); // '🍺'

four.guys(); // '🍔'

Money

four.euro(); // '4€'
four.dollar(); // '$4'

Development

The code

All of the logic & heavy lifting is achieved in one self-contained file:

./four.js

Tests

npm test

License

MIT