Mathias Bynens (@mathiasbynens)
  • Stars
    star
    52,016
  • Global Rank 157 (Top 0.01 %)
  • Followers 11,604
  • Following 158
  • Registered over 15 years ago
  • Most used languages
    JavaScript
    83.1 %
    HTML
    8.8 %
    CSS
    2.7 %
    Shell
    2.0 %
    Python
    2.0 %
    Others
    1.4 %

Top repositories

1

dotfiles

🔧 .files, including ~/.macos — sensible hacker defaults for macOS
Shell
29,301
star
2

jquery-placeholder

A jQuery plugin that enables HTML5 placeholder behavior for browsers that aren’t trying hard enough yet
JavaScript
3,983
star
3

he

A robust HTML entity encoder/decoder written in JavaScript.
JavaScript
3,289
star
4

evil.sh

🙊 Subtle and not-so-subtle shell tweaks that will slowly drive people insane.
Shell
2,159
star
5

small

Smallest possible syntactically valid files of different types
HTML
1,900
star
6

emoji-regex

A regular expression to match all Emoji-only symbols as per the Unicode Standard.
JavaScript
1,641
star
7

punycode.js

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891.
JavaScript
1,479
star
8

mothereff.in

Web developer tools
JavaScript
1,024
star
9

esrever

A Unicode-aware string reverser written in JavaScript.
JavaScript
878
star
10

jsesc

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.
JavaScript
683
star
11

utf8.js

A robust JavaScript implementation of a UTF-8 encoder/decoder, as defined by the Encoding Standard.
JavaScript
539
star
12

base64

A robust base64 encoder/decoder that is fully compatible with `atob()` and btoa()`, written in JavaScript.
JavaScript
491
star
13

CSS.escape

A robust polyfill for the CSS.escape utility method as defined in CSSOM.
JavaScript
486
star
14

jsperf.com

jsPerf.com source code
JavaScript
473
star
15

regenerate

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.
JavaScript
353
star
16

php-url-shortener

Simple PHP URL shortener, as used on mths.be
PHP
334
star
17

regexpu

A source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.
JavaScript
226
star
18

tpyo

A small script that enables you to make typos in JavaScript property names. Powered by ES2015 proxies + Levenshtein string distance.
JavaScript
205
star
19

luamin

A Lua minifier written in JavaScript
JavaScript
188
star
20

cssesc

A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.
HTML
150
star
21

String.prototype.startsWith

A robust & optimized ES3-compatible polyfill for the `String.prototype.startsWith` method in ECMAScript 6.
JavaScript
143
star
22

grunt-template

This Grunt plugin interpolates template files with any data you provide and saves the result to another file.
JavaScript
136
star
23

document.scrollingElement

A polyfill for document.scrollingElement as defined in the CSSOM specification.
JavaScript
131
star
24

jquery-visibility

Page Visibility shim for jQuery
JavaScript
129
star
25

jquery-details

World’s first <details>/<summary> polyfill™
HTML
121
star
26

rel-noopener

Quick demonstration of why `<a rel=noopener>` is needed.
HTML
114
star
27

quoted-printable

A robust & character encoding–agnostic JavaScript implementation of the `Quoted-Printable` content transfer encoding as defined by RFC 2045.
JavaScript
88
star
28

grunt-zopfli

A Grunt plugin for compressing files using Zopfli.
JavaScript
87
star
29

emoji-test-regex-pattern

A regular expression pattern for Java/JavaScript to match all emoji in the emoji-test.txt file provided by UTS#51.
JavaScript
79
star
30

jquery-smooth-scrolling

Smooth anchor scrolling plugin for jQuery.
JavaScript
73
star
31

String.prototype.includes

A robust & optimized ES3-compatible polyfill for the `String.prototype.contains` method in ECMAScript 6.
JavaScript
69
star
32

Array.from

A robust & optimized ES3-compatible polyfill for the `Array.from` method in ECMAScript 6.
JavaScript
66
star
33

regexpu-core

regexpu’s core functionality, i.e. `rewritePattern(pattern, flag, options)`, which enables rewriting regular expressions that make use of the ES6 `u` flag into equivalent ES5-compatible regular expression patterns.
JavaScript
63
star
34

jquery-slideshow

The simplest jQuery slideshow plugin. Evar.
JavaScript
61
star
35

String.fromCodePoint

A robust & optimized `String.fromCodePoint` polyfill, based on the ECMAScript 6 specification.
JavaScript
61
star
36

hashtag-regex

A regular expression to match hashtag identifiers as per the Unicode Standard.
JavaScript
60
star
37

custom.keylayout

Custom QWERTY/AZERTY .keylayout files for use with Apple keyboards
59
star
38

unicode-data

Python scripts that generate JavaScript-compatible Unicode data
JavaScript
59
star
39

grunt-yui-compressor

A Grunt plugin for compressing JavaScript and CSS files using YUI Compressor.
JavaScript
59
star
40

String.prototype.at

A robust & optimized ES3-compatible polyfill for the `String.prototype.at` proposal for ECMAScript 6/7.
JavaScript
55
star
41

String.prototype.codePointAt

A robust & optimized `String.prototype.codePointAt` polyfill, based on the ECMAScript 6 specification.
JavaScript
55
star
42

covid-19-vaccinations-germany

Historical data on COVID-19 vaccination doses administered in Germany, per state.
HTML
54
star
43

windows-1252

A robust JavaScript implementation of the windows-1252 character encoding as defined by the Encoding Standard.
JavaScript
44
star
44

flag-emoji-replacements

'🇩🇰🇲🇬'.replace('🇰🇲', '🇪🇨'); // → '🇩🇪🇨🇬'
JavaScript
38
star
45

unicode-tr51

Emoji data extracted from Unicode Technical Report #51.
JavaScript
38
star
46

String.prototype.endsWith

A robust & optimized ES3-compatible polyfill for the `String.prototype.endsWith` method in ECMAScript 6.
JavaScript
35
star
47

wtf-8

A well-tested WTF-8 encoder/decoder written in JavaScript.
JavaScript
34
star
48

caniunicode

Unicode version support across JavaScript features & engines
JavaScript
32
star
49

math-tex

A web component for mathematical typesetting using TeX notation.
HTML
27
star
50

jquery-noselect

A jQuery plugin which disables text selection on any element. Useful for UI elements; evil for pretty much everything else.
JavaScript
27
star
51

String.prototype.repeat

A robust & optimized ES3-compatible polyfill for the `String.prototype.repeat` method in ECMAScript 6.
JavaScript
27
star
52

windows-1251

A robust JavaScript implementation of the windows-1251 character encoding as defined by the Encoding Standard.
JavaScript
26
star
53

kali-linux-docker

Kali Linux Docker
Shell
26
star
54

bacon-cipher

A robust JavaScript implementation of Bacon’s cipher, a.k.a. the Baconian cipher.
JavaScript
24
star
55

jquery-custom-data-attributes

An easy setter/getter for HTML5 data-* attributes
JavaScript
21
star
56

rgi-emoji-regex-pattern

A JavaScript-compatible regular expression pattern to match all RGI emoji symbols and sequences as per the Unicode Standard and UTS#51.
JavaScript
21
star
57

q-encoding

A robust & character encoding–agnostic JavaScript implementation of the `Q` encoding as defined by RFC 2047.
JavaScript
20
star
58

babel-plugin-transform-unicode-property-regex

Compile Unicode property escapes in Unicode regular expressions to ES5 or ES6 that works in today’s environments.
JavaScript
19
star
59

regenerate-unicode-properties

A collection of Regenerate sets for Unicode various properties.
JavaScript
17
star
60

rot

Perform simple rotational letter substitution (such as ROT-13) in JavaScript.
JavaScript
17
star
61

regex-trie-cli

Create regular expression patterns based on a list of strings to be matched.
JavaScript
17
star
62

strip-combining-marks

Easily remove Unicode combining marks from strings.
JavaScript
16
star
63

Array.of

A robust & optimized ES3-compatible polyfill for the `Array.of` method in ECMAScript 6.
JavaScript
15
star
64

jquery-oninput

My `oninput` polyfill as a jQuery plugin
JavaScript
14
star
65

homebrew-ecmascript

Homebrew formulae for ECMAScript engines
Ruby
13
star
66

tibia.com-extension

User script that enhances the character info pages on Tibia.com.
HTML
13
star
67

is-ascii-safe

is-ascii-safe determines whether a given string is ASCII-safe, i.e. if it consists of ASCII characters (U+0000 to U+007F) only.
JavaScript
13
star
68

es-regexp-unicode-character-class-escapes

Proposal to improve the character class escape tokens `\d`, `\D`, `\w`, `\W`, and the word boundary assertions `\b` and `\B` in ES6 Unicode regular expressions (with the `u` flag).
12
star
69

unicode-canonical-property-names-ecmascript

The set of canonical Unicode property names supported in ECMAScript RegExp property escapes.
JavaScript
11
star
70

node-unshorten

URL unshortener for Node.js
JavaScript
11
star
71

RegExp.prototype.match

A robust & optimized ES3-compatible polyfill for the `RegExp.prototype.match` method in ECMAScript 6.
JavaScript
10
star
72

is-potential-custom-element-name

Check whether a given string matches the `PotentialCustomElementName` production as defined in the HTML Standard.
JavaScript
10
star
73

atom-blackboard

TextMate’s Blackboard theme, ported to Atom.
CSS
10
star
74

unicode-emoji-modifier-base

The set of Unicode symbols that can serve as a base for emoji modifiers, i.e. those with the `Emoji_Modifier_Base` property set to `Yes`.
JavaScript
9
star
75

strip-variation-selectors

Remove Unicode variation selectors from strings.
JavaScript
9
star
76

nginx-zopfli-test

This repository contains some files that make it easy to test whether Nginx is correctly serving Zopfli-pre-compressed files.
JavaScript
9
star
77

unicode-property-escapes-tests

Tests for RegExp Unicode property escapes
JavaScript
8
star
78

unicode-match-property-value-ecmascript

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.
JavaScript
8
star
79

grunt-esmangle

A Grunt plugin for mangling or minifying JavaScript files using Esmangle.
JavaScript
8
star
80

unicode-property-value-aliases

Unicode property value alias mappings in JavaScript format.
JavaScript
7
star
81

css-dbg-stories

HTML
7
star
82

unicode-property-aliases-ecmascript

Unicode property alias mappings in JavaScript format for property names that are supported in ECMAScript RegExp property escapes.
JavaScript
7
star
83

unicode-property-aliases

Unicode property alias mappings in JavaScript format.
JavaScript
7
star
84

unicode-match-property-ecmascript

Match a given Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.
JavaScript
7
star
85

iso-8859-2

A robust JavaScript implementation of the iso-8859-2 character encoding as defined by the Encoding Standard.
JavaScript
6
star
86

string-prototype-replace-regexp-benchmark

Generated JavaScript benchmarks for String.prototype.{replace,replaceAll} with global regular expressions based on emoji-test-regex-pattern.
JavaScript
6
star
87

idn-allowed-code-points-regex

A regular expression that matches any of the code points that Verisign allows by default in IDN.
JavaScript
6
star
88

pogotransfercalc

Easily calculate how many Pokémon you should transfer before kicking off an evolution spree in Pokémon GO.
Python
6
star
89

macintosh

A robust JavaScript implementation of the macintosh character encoding as defined by the Encoding Standard.
JavaScript
6
star
90

windows-874

A robust JavaScript implementation of the windows-874 character encoding as defined by the Encoding Standard.
JavaScript
5
star
91

swapcase

A letter case swapper with full Unicode support, i.e. based on the official Unicode case folding mappings.
JavaScript
5
star
92

RegExp.prototype.search

A robust & optimized ES3-compatible polyfill for the `RegExp.prototype.search` method in ECMAScript 6.
JavaScript
5
star
93

netlify-test

HTML
4
star
94

pogocpm2level

Easily calculate the level of a given Pokémon in Pokémon GO based on its total CP multiplier value.
Python
4
star
95

tibia-bosses

JavaScript
4
star
96

covid-19-vaccinations-munich

Archive of historical coronavirus data for Munich, Germany
HTML
4
star
97

windows-1250

A robust JavaScript implementation of the windows-1250 character encoding as defined by the Encoding Standard.
JavaScript
4
star
98

stack-exchange-logos

Stack Exchange logos in SVG format.
HTML
4
star
99

gulp-regexpu

Gulp plugin to transpile ES6 Unicode regular expressions to ES5 with regexpu.
JavaScript
4
star
100

is-ascii-safe-cli

is-ascii-safe-cli checks whether a given file (or list of files) is ASCII-safe, i.e. consisting of ASCII characters (U+0000 to U+007F) only.
JavaScript
4
star