Currency
Swap the currency and the symbol crossfades in place.
number-roll
Animated numbers that keep their place. One custom element, no dependencies, no build step.
Beyond 253
Values can be numeric strings, so precision never goes through a float.
Styled by CSS
--roll-duration, --roll-bounce, --roll-smear and --roll-fade are read from the cascade, so a media query can retune the motion.
Trend aware
data-roll-trend lands on the host every change, so the colour is pure CSS.