Every assertion actually runs in your local browser and re-runs on each
open. Coverage: determinism, uniqueness, avalanche, option matrix, edge
inputs, escaping and surrogate pairs. Passing tests don't mean the looks
pass — the matrix below is for your own eyes.
Passed 0 / 0
Failed 0
Total time – ms
Library v– · 8 styles
Automated assertions executed in your browser, not static
Visual matrix 8 styles × 8 names (transparent background, on the dark page)
← swipe horizontally to see all 8 columns →
Option comparisons same name & style, one variable at a time
Dark mode (snowflake / plant / robot / emoji · alain)
Background (snowflake · tove)
Locked hue (snowflake · kasper, hue = 0 / 90 / 180 / 270 / auto)
Performance measured locally