Polyfill - WikipediaPolyfill may refer to: Polyester fiberfill, also known as Poly-fil or polyfill, a synthetic fiber Polyfill (programming), in web development, code that implements a feature on web browsers that do not support the feature Polyfill.io, a JavaScript library created by Andrew Betts that implemented Polyfill. In graphics programming, the use of flood fill for filling polygons Polyfilla, a DIY spackling
