This is grim:
If you look at the data below on how popular websites today are actually transpiling and deploying their code to production, it turns out that most sites on the internet ship code that is transpiled to ES5, yet still doesn’t work in IE 11—meaning the transpiler and polyfill bloat is being downloaded by 100% of their users, but benefiting none of them.
It looks like modules could be a great way to serve modern JavaScript to modern browsers, and serve polyfills or older code to older browsers.
This post was originally written in 2015, but upon re-reading it today, it still (just about) holds up, so I finally hit publish.
A one-stop-shop with a quick overview of the new JavaScript features in ES-whatever-we’re-calling-it-now.
A handy guide to navigating all the new-fangled JavaScript.
Lyza has written an excellent deep dive into Service Workers, complete with code.
I’m really chuffed that she gave me a shout-out to my exhortation:
So if you decide to play around with Service Workers, please, please share your experience.
By the way, I like her point about this being a good opportunity to use ES6/ES2015/HipsterScript features like arrow functions in the browser: any browser that supports Service Workers also supports the latest JavaScript.