polyfill

A window.fetch JavaScript polyfill.

Standard Library

History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTools and Prototype. For HTML5 browsers this means that you can modify the URL directly, without needing to use hashes anymore. For HTML4 browsers it will revert back to using the old onhashchange functionality.

PHP 5.x support for random_bytes() and random_int()

This component provides a partial, native PHP implementation for the Mbstring extension.

ECMAScript 5 compatibility shims for legacy (and modern) JavaScript engines

Automatic polyfill service.

🐕 Bare minimum 500b fetch polyfill.

A Javascript library for working with native objects.

Promise packages, patterns, chat, and tutorials

This component provides a partial, native PHP implementation for the Ctype extension.

Shim to insulate apps from spec changes and prefix differences. Latest adapter.js release:

This component provides features unavailable in releases prior to PHP 7.0.

Check the browser compatibility of your code

👇💥 JavaScript library for handling Force Touch, 3D Touch, and Pointer Pressure.

A project committed to making file access and data transfer easier, efficient for React Native developers.

This component provides a collection of functions/classes using the symfony/intl package when the Intl extension is not installed.

Polyfill for the HTML dialog element

This component provides functions unavailable in releases prior to PHP 7.3.

Polyfill for CSS `position: sticky`