Writing polyfills

addyosmani.comsite

If your baseline is still too high for some browsers, consider polyfills (aka Regressive Enhancement).

from

Progressive Enhancement

added

2026-10-10

likes

0

similar

1. ▲

   Polyfill.js github.com

   A library to make creating CSS polyfills much easier.

   tool link ↗
   tool
2. ▲

   Details element polyfill smashingmagazine.com

   site link ↗
   
3. ▲

   Lazy Progressive Enhancement github.com

   Lazy load images inside <noscript> tags. (note: Evergreen browsers only)

   tool link ↗
   
4. ▲

   EnhanceJS filamentgroup.com

   Lets you asynchronously load CSS & JS after a set pre-defined feature tests.

   site link ↗
   
5. ▲

   Grade components, not browsers filamentgroup.com

   Component level feature tests and enhancements.

   site link ↗
   
6. ▲

   Beyond the polyfills: how Web Components affect us today? dev.to

   site link ↗
   

Progressive Enhancement › Strategies: “If your baseline is still too high for some browsers, consider polyfills (aka Regressive Enhancement).”