Mathias Bynens

:wrench: .files, including ~/.macos — sensible hacker defaults for macOS

A curated set of macOS shell configuration files and bootstrap scripts that automate setting up a developer-ready Mac, including shell aliases, hundreds of hidden system preferences, and a Homebrew package list, all applied in one run.

:speak_no_evil: Subtle and not-so-subtle shell tweaks that will slowly drive people insane.

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

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

A robust HTML entity encoder/decoder written in JavaScript.

A jQuery plugin that enables HTML5 placeholder behavior for browsers that aren’t trying hard enough yet

Smallest possible syntactically valid files of different types

A regular expression to match all Emoji-only symbols as per the Unicode Standard.

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891.

Web developer tools

A Unicode-aware string reverser written in JavaScript.

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

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

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

A robust polyfill for the CSS.escape utility method as defined in CSSOM.

jsPerf.com source code

Simple PHP URL shortener, as used on mths.be

A Lua minifier written in JavaScript

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

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

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

A polyfill for document.scrollingElement as defined in the CSSOM specification.

Page Visibility shim for jQuery

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

World’s first <details>/<summary> polyfill™

Quick demonstration of why `<a rel=noopener>` is needed.

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

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.

Smooth anchor scrolling plugin for jQuery.

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

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

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

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

Python scripts that generate JavaScript-compatible Unicode data

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

A regular expression to match hashtag identifiers as per the Unicode Standard.

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

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

Kali Linux Docker

Historical data on COVID-19 vaccination doses administered in Germany, per state.

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

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

'🇩🇰🇲🇬'.replace('🇰🇲', '🇪🇨'); // → '🇩🇪🇨🇬'

Emoji data extracted from Unicode Technical Report #51.

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

Unicode version support across JavaScript features & engines

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

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

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

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

A collection of Regenerate sets for Unicode various properties.

User script that enhances the character info pages on Tibia.com.

An easy setter/getter for HTML5 data-* attributes

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

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

Easily remove Unicode combining marks from strings.

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

The set of canonical Unicode property names supported in ECMAScript RegExp property escapes.

Homebrew formulae for ECMAScript engines

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.

No description.

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).

URL unshortener for Node.js

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`.

No description.

Remove Unicode variation selectors from strings.

Tests for RegExp Unicode property escapes

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

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

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

Unicode property value alias mappings in JavaScript format.

Unicode property alias mappings in JavaScript format.

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

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

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

Service Worker Cache polyfill extracted from https://jakearchibald.github.io/trained-to-thrill/

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

A robust JavaScript implementation of the koi8-r character encoding as defined by the Encoding Standard.

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

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

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

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A brainfuck minifier written in JavaScript

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

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

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Experience history for my main Tibia character

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Unicode property value alias mappings in JavaScript format, for property names and values that are supported in ECMAScript RegExp property escapes.

A JavaScript implementation of Unicode loose matching.

HTML Standard

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A robust JavaScript implementation of the x-mac-cyrillic character encoding as defined by the Encoding Standard.

A demonstration of the HTML Sanitizer API.

A JavaScript prollyfill for the proposed `String.isIdentifierStart` and `String.isIdentifierPart` methods, based on the March 8, 2013 draft of the strawman.

No description.

Archive of historical coronavirus data for Munich, Germany

Launch Google Chrome with ease from node.

Generate regular expressions that match a set of strings

A robust JavaScript implementation of the iso-8859-8-i character encoding as defined by the Encoding Standard.

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Leaking future secrets

A robust JavaScript implementation of the windows-1255 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-5 character encoding as defined by the Encoding Standard.

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The frontend, backend, and content source code for web.dev

Media Type Database

Move and resize windows on macOS with keyboard shortcuts and snap areas

Simple, responsive, modern SVG Charts with zero dependencies

:trophy: Automate versioning and CHANGELOG generation, with semver.org and conventionalcommits.org

These are the notes I take at TC39 Meetings, with Markdown formatting

An HTML superset/Markdown subset source format for ECMAScript and related specifications

The fixtures used in regexpu’s test suite.

A robust JavaScript implementation of the ibm866 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-15 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-14 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the koi8-u character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-7 character encoding as defined by the Encoding Standard.

A framework for building native apps with React.

Console for mobile browsers

Official ECMAScript Conformance Test Suite

Discord bot for Tibia servers

Customize your terminal using JavaScript. With themes and extra alias and functions, we combine the power from both JavaScript and Bash.

ECMAScript Proposal, specs, and reference implementation for `global`

Verisign’s list of allowed-by-default IDN code points.

Google translate API for Node.js

Experimenting trying to break promise execution chain

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Disco.

a sandbox site for making mistakes

Next-gen browser and mobile automation test framework for Node.js

Lists of character names in Tibia.

The Python programming language

Chrome DevTools logo assets

Mirror of Apache HTTP Server. Issues: http://issues.apache.org

Helps to encode a string to base64 and decode a base64 string to a normal string.

ECMAScript Language Specification Comparator

experiments with running BiDi-CDP mapper in Chrome tab

Impfquotenmonitoring.xlsx archive from RKI

Inject style tag to document head.

Image preview format

Scalable fuzzing infrastructure.

Grammars for Synalyze It! and Hexinator

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The source code of v8.dev, the official website of the V8 project.

Hidden Variables: my Octopress-based blog

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Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

Chrome Status Dashboard

ECMAScript 2016 Language Specification, also known as ES7.

Mirror of CSS WG Editor Draft repository - https://hg.csswg.org/drafts

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

A robust JavaScript implementation of the iso-8859-16 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-13 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-4 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-3 character encoding as defined by the Encoding Standard.

A robust JavaScript implementation of the iso-8859-10 character encoding as defined by the Encoding Standard.

🗂 High resolution web browser logos

Provides standard objects and functions for working with dates and times.

A uniform wrapper around a multitude of ECMAScript hosts

A privacy preserving federated identity Web API

Daily runner of test262 for many engines

FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.

Specification Edition Support Tool

Standard text for CompressionStream and DecompressionStream API

A polyfill combinator

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Spectacular Test Runner for JavaScript

Open source documentation of Microsoft Azure

WebDriver BiDi Demo

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Console command that generates a regexp from a list of strings.

Exevo Pan is a better experience for Tibia Char Bazaar.

Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

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An official read-only mirror of http://hg.nginx.org/nginx/ which is updated hourly. Pull requests on GitHub cannot be accepted and will be automatically closed. The proper way to submit changes to nginx is via the nginx development mailing list, see http://nginx.org/en/docs/contributing_changes.html

Our website's code

Test Utils Standard

Emoji Segmenter

Proposal to investigate additional language features for ECMAScript Regular Expressions

Node.js JavaScript runtime :sparkles::turtle::rocket::sparkles:

Proposal for a method to determine if a JavaScript string is a valid USV string

Test suites for Web platform specs — including WHATWG, W3C, and others

Repository for Dev.Opera source code

No description.

An interactive blog on computer science and web dev 💡

Chrome Developers

The content behind MDN Web Docs

A high performance blog template for the 11ty static site generator.

Bidirectional WebDriver protocol for browser automation

Internet Drafts

A list of breaking changes to the web platform

Status, process, and documents for ECMA262