Feel
Motion
Animation with restraint
Emil Kowalski built two React libraries that rely on animation, downloaded together more than 90 million times a week from npm, and then wrote an essay titled You Don’t Need Animations. That is the whole chapter in one sentence. What follows is how he, Rauno Freiberg, and a few others decide when motion earns its place, and how they choose the curve, the duration, the spring, and the clip when it does.