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<head>
  <meta charset="utf-8">
  <title>Lodash isBuffer — wrap</title>
</head>
<body>
  <h1>_.isBuffer — wrap Uint8Array</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      var view = new Uint8Array([1, 2, 3]);
      function run() {
        document.getElementById("out").textContent =
          "typedOnly: " + Buffer.isBuffer(view) + "\n" +
          "wrappedCopy: " + Buffer.isBuffer(Buffer.from(view));
      }
      if (typeof Buffer !== "undefined") {
        run();
      } else {
        import("https://cdn.jsdelivr.net/npm/buffer@6.0.3/+esm")
          .then(function (m) {
            window.Buffer = m.Buffer;
            run();
          })
          .catch(function (err) {
            document.getElementById("out").textContent =
              "Polyfill error (need Buffer for this lab): " + (err && err.message ? err.message : String(err));
          });
      }
    })();
  </script>
</body>
</html>

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Lodash _.isBuffer — Buffer.from(typed) (Try It)