index.html

<!DOCTYPE html>
<html lang="en">
<head>
<script type="module">
import { BA } from "https://deno.land/x/bit_array@v2.0.3/mod.js";
const ba = new BA(8589934400); //8589934400
let pc;
    
ba.wipe(2); // fill with randomly set / reset bits
document.getElementsByTagName("body")[0].textContent = `Population count of BitArray [${ba.toString()}] with size ${ba.length} is ${pc = ba.popcnt()} and the ratio is ${(pc/ba.length*100).toFixed(4)}. The bytelength of the BitArray is ${ba.view.byteLength}`;
</script>
</head>
<body>
</body>
</html>