An exceptionally slim (~310kb minified) polyfill for document.currentScript in IE9+
Web Streams, based on the WHATWG spec reference implementation
get the current executing script, with polyfills for IE9+ and Firefox
Fork of eventsource package - W3C compliant EventSource client for Node.js and browser (polyfill)
Fast polyfill for TextEncoder and TextDecoder, only supports utf-8
A lightweight polyfill for Temporal, successor to the JavaScript Date object
A robust & optimized `String.prototype.includes` polyfill, based on the ECMAScript 6 specification.
A shim for the setImmediate efficient script yielding API
Lightweight promise polyfill. A+ compliant
Screenshots with JavaScript
ECMAScript6 WeakMap polyfill
Polyfill the ECMA-402 Intl API (except collation)
HTML Custom Elements Polyfill
An EventTarget Polyfill
Babel helper to create your own polyfill provider
Popover Attribute Polyfill
A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.
A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.
Polyfill for :focus-visible pseudo-selector
A Babel plugin to inject imports to core-js@2 polyfills
Polyfills Path2D api for canvas rendering
Smooth Scroll behavior polyfill
A Babel plugin to inject imports to regenerator-runtime
A robust & optimized `String.prototype.codePointAt` polyfill, based on the ECMAScript 6 specification.