utils/examples/js/test.html at master · deliberative/utils · GitHub

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<!DOCTYPE html>
<html>
  <body>
    <script src="./node_modules/@deliberative/utils/lib/index.min.js"></script>
    <script type="text/javascript">
      const onClick = async () => {
        try {
          const num = 5;
          const arr = await dutils.numberToUint8Array(num);
          const num1 = await dutils.uint8ArrayToNumber(arr);
          console.log(num === num1);

          const anotherNum = 0x1020304050607080n;
          const anotherArr = dutils.bigIntToUint8Array(anotherNum);
          const anotherNum1 = dutils.uint8ArrayToBigInt(anotherArr);
          console.log(anotherNum === anotherNum1);
        } catch (err) {
          console.error(err);
        }
      };
    </script>
    <div id="root">
      <button onClick="onClick()">Click me</button>
    </div>
  </body>
</html>