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A tiny JavaScript library that animates button labels, status text, and command states with character-by-character roll effects.

Tunable Motion

Core Behaviors

set(text, options)

flash(text, options)

interrupt: false

build, animate, clear

Numbers, Spaces, and Width Changes

Revenue
Conversion
Status

Vanilla JS Surface

slotText(element, "Copy").flash("Copied")
animateSlotText(element, "Live", { direction: "up", color: chromatic({ from: 24, spread: 120 }) })
clearSlotText(element, "Clean")