Whistlr

What To Expect When You're Expecting To Drop IE11

So you've decided to drop support for IE11 and move onto evergreen browsers only (IE11 is only about ~2% globally). That's great! 🌲

With that in mind, here's a giant list of the features you should use, today (today being mid-2019), safely, without polyfills or feature detection. 📃

Before we start, of course, there'll always be old browsers. And, to be fair, browsers in emerging markets are more complex: like UC, KaiOS (based on an older Firefox), and Opera Mini. In these cases, I suggest serving no JS whatsoever (if possible), or encouraging users to upgrade. 🤷

Let's go! ⬇️

The DOM

JavaScript Language

JavaScript Library

JavaScript + The DOM

Whole New APIs

CSS