A quick and dirty polyfill for the mutation observer
MutationObserver shim for ES3 environments
MutationObserver shim for ES3 environments
*Please note that this polyfill is now in maintenance mode, as of Nov, 2022. We are not planning to add more features or enhancements.* ____________________________
A polyfill for the Resize Observer API
A polyfill for the element internals specification
A shim for the setImmediate efficient script yielding API
Track React component in viewport using Intersection Observer API
Synthetic Shadow Root for LWC
Lightweight promise polyfill. A+ compliant
Exposes the `MutationObserver` API, or a polyfill based on mutation events for IE 9-10.
A polyfill for the internal diagnostics_channel module
Bare minimum fetch polyfill in 500 bytes
Environment agnostic nextTick polyfill
Web Streams, based on the WHATWG spec reference implementation
Polyfills to support Stimulus in older browsers
Babel helper to create your own polyfill provider
A Babel plugin to inject imports to core-js@2 polyfills
A Babel plugin to inject imports to regenerator-runtime
The last Date-Input-Polyfill you will ever need. Automatically adds datepickers to input[type=date] on IE, Firefox, and OS X Safari. Configurable localization and start of week day.
Polyfill for the URLPattern API
Fetch JSONP like a boss using Fetch API
Universal WHATWG Fetch API for Node, Browsers and React Native
A Babel plugin to inject imports to core-js@3 polyfills