A tricksy Firefox bug and how to work around it.

It's part of the new customisable `<select>`, but there are some tricky details.

It's better to do it yourself.

GC within a function doesn't work how I expected

They're completely different, but often coupled.

Tips and tricks to get the transition you want

The history, facts, and opinions.

A rough edge with promises that can sneak up on you.

It should be easier, but here's how to figure it out.

And how I messed up the code on HTTP 203