<@U0H8K7DEV> I am looking at `Element.addClasses` ...

# kweb

[gtod]

@Ian I am looking at Element.addClasses and it seems you are calling execute once per class. My (maybe naive) question: Might that not be slow? Given that bootstrap classes can be 4 or 5 distinct strings surely it's better to do them all at once somehow? Just wondering...