JSFiddle - React, Tailwind, and code Playground
HTML
<div id="loop"></div>
JavaScript
var f = [], i;
for (i = 0; i < 12; i ++) {
f.push(String.fromCodePoint(0x1F550 + i));
//f.push(String.fromCodePoint(0x1F550 + i + 12)); // half hours
}
function loop() {
location.hash = f[Math.floor((Date.now()/100)%f.length)];
setTimeout(loop, 50);
}
window.addEventListener('load', function () {
loop();
});