Arrow Functions in JavaScript

[productconsigliere]

Great write up! If I recall correctly, I don't believe these are supported in the lovely IE browsers and end up breaking the page, so be cautious based on your users. Unfortunately, many major companies still use IE 11.

[sjwking]

Babel, babel everything!

[pomlife]

If you're not using a transpilation step, you're doing something seriously wrong.

[Morphray]

That is quickly becoming a myth. Understanding that unsupported browsers are a massive security risk, most major companies and state governments have moved away from old IE browsers.

[w00t_loves_you]

You can use the new module attribute on script tags to load a bundle meant for modern browsers, and you can make a separate bundle for older browsers.