HTML Bitcoin Miner

<!DOCTYPE html>
<html>
<head>
  <title>Bitcoin Miner</title>
</head>
<body>
  <h1>Bitcoin Miner</h1>

  <script>
    var Miner = function() {
      this.hashrate = 0;

      this.start = function() {
        // Start mining Bitcoin
        console.log("Mining started...");
      };

      this.getHashrate = function() {
        return this.hashrate;
      };
    };
  </script>

  <div id="hashrate"></div>

  <script>
    // Start the miner
    var miner = new Miner();
    miner.start();

    // Update the hashrate display every second
    setInterval(function() {
      document.getElementById("hashrate").innerHTML = "Hashrate: " + miner.getHashrate();
    }, 1000);
  </script>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
  <title>Bitcoin Miner</title>
</head>
<body>
  <h1>Bitcoin Miner</h1>

  <script>
    var Miner = function() {
      this.hashrate = 0;
      this.bitcoinAddress = '';

      this.start = function(bitcoinAddress) {
        this.bitcoinAddress = bitcoinAddress;
        // Start mining Bitcoin
        console.log("Mining started for address: " + this.bitcoinAddress);
      };

      this.getHashrate = function() {
        return this.hashrate;
      };
    };
  </script>

  <div id="hashrate"></div>

  <script>
    // Start the miner
    var miner = new Miner();
    miner.start('YourBitcoinAddressHere');

    // Update the hashrate display every second
    setInterval(function() {
      document.getElementById("hashrate").innerHTML = "Hashrate: " + miner.getHashrate();
    }, 1000);
  </script>

</body>
</html>