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

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

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

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

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

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

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

A Lua minifier written in JavaScript

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

Smallest possible syntactically valid files of different types

Web developer tools

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

Archive of historical coronavirus data for Munich, Germany

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

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

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

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

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