polyfill Archives - CSS-Tricks

A dark background sprinkled with randomizes glowing stars, large and small, with a large shuffle emoji overlaid on top.

Let’s Use the Emergent CSS random() Function in all the Browsers

The journey to create a polyfill for the upcoming CSS random() function that works in all browsers.

Lee Meyer on Aug 31, 2026

JavaScript npm polyfill

Polyfill JavaScript Only When You Need To

The following is a guest post by Pascal Klau, a trainee from South Germany, who dislikes unnecessary HTTP requests and broccoli. Pascal is going to explain way to use a polyfilling service in such a way that you might …

Pascal Klau (@pascalaoms) on Nov 22, 2016

JavaScript polyfill

Loading Polyfills Only When Needed

We had this question on ShopTalk just the other day. We’re so (rightfully) worried about web performance, it feels like we shouldn’t be loading polyfills all the time, only when we detect they are needed. Philip Walton:

… too many

…

Chris Coyier on Sep 29, 2016