binary_calculator/index.html at main · joeidowu/binary_calculator · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="shortcut icon" type="image/png" href="./img/calculator.png" />
  <link rel="stylesheet" href="binary_calculator.css">
  <title>Binary Calculator</title>
</head>
<body>
  <div class="container">
    <div class="calculator">
      <input id="user_input" placeholder="Enter binary number (0 or 1)" pattern="[01]*" title="Please enter only binary digits (0 or 1)">
      <br>
      <button class="btn" onclick="press('1')">1</button>
      <button class="btn" onclick="press('0')">0</button>
      <button style="background:#ffb84d;" class="btn" onclick="press('+')">+</button>
      <button style="background: #ffcc80;" class="btn" onclick="press('-')">-</button>
      <br>
      <button class="btnEqual" onclick="calculate()">=</button>
      <button class="btn" onclick="erase()">C</button>
    </div>
  </div>

  <script src="./javascript/binary_calculator.js"></script>
</body>
</html>