css animation loop

1animation-iteration-count:infinite;

1div {
2  animation-iteration-count: number|infinite|initial|inherit;
3}

1animation: name time func delay iteration dir fill play;
2animation: none 0s ease 0s 1 normal none running;

1animation-name: none;
2animation-duration: 0s;
3animation-timing-function: ease;
4animation-delay: 0s;
5animation-iteration-count: 1;
6animation-direction: normal;
7animation-fill-mode: none;
8animation-play-state: running;

1window.setInterval(() => {    // updateUI();}, 1000 / 60);

1function step() {    // UpdateUI();    window.requestAnimationFrame(step);  }  window.requestAnimationFrame(step);