@formatjs/intl-datetimeformat
Intl.DateTimeFormat polyfill
Intl.DateTimeFormat polyfill
JavaScript implementation of the Web Animations API
Ponyfill for ES2020 Intl.NumberFormat
An ESnext spec-compliant shim/polyfill/replacement for all Well-Known Symbols that works in any environment with Symbols.
ES2015 (ES6) Number.isInteger polyfill
A polyfill for creating CustomEvents on IE9+ if the native implementation is missing.
A robust & optimized `String.fromCodePoint` polyfill, based on the ECMAScript 6 specification.
A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.
Polyfill for Intl.PluralRules
A stand-alone working lightweight version of the W3C Custom Elements specification
Web Components Polyfills
Polyfills the ResizeObserver API and supports box size options from the latest spec
Return the closest element matching a selector up the DOM tree
Polyfill/shim for stream.finished in node versions < v10
Polyfill/shim for stream.pipeline in node versions < v10
Cross-browser JavaScript shim that fully implements element.classList (referenced on MDN)
ES2015 Math.log2() ponyfill
Run ES Module syntax in any browser – even IE!
A fork of create-react-context in MIT license
A robust & optimized `String.prototype.startsWith` polyfill, based on the ECMAScript 6 specification.