webinar-synth/index.html at master · code-mentoring/webinar-synth · 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">
  <title>Document</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.7.61/Tone.js"></script>
  <script src="synth.js"></script>

  <style>
    * {
      outline: none;
    }

    .piano {
      display: grid;
      grid-template-columns: repeat(24, 1fr);
    }
    .key {
      border: 2px solid black;
      border-left-width: 0;
      background: white;
      list-style: none;
      height: 6rem;
    }
    .key:first-of-type {
      border-left-width: 2px;
    }
    .key.black {
      background: black;
    }
    .key:hover { filter: brightness(0.9); }
    .key:active { filter: brightness(0.7); }

    .key.black:hover { background: #333; }
    .key.black:active { background: #666; }
  </style>
</head>
<body>
  <label>
    <span>Waveform</span>
    <select id="waveform">
      <option value="sine">Sine</option>
      <option value="square">Square</option>
      <option value="triangle">Triangle</option>
      <option value="sawtooth">Saw tooth</option>
    </select>
  </label>

  <label>
    <span>Distortion</span>
    <input id="distortion" type="range" min="0" max="1" step="0.01">
  </label>

  <label>
    <span>Ping Pong</span>
    <input id="pingPong" type="range" min="0" max="2" step="0.1">
  </label>


  <div class="piano">
    <!-- First octave -->
    <button data-key="c4"  class="key"></button>
    <button data-key="c#4" class="key black"></button>
    <button data-key="d4"  class="key"></button>
    <button data-key="d#4"  class="key black"></button>
    <button data-key="e4"  class="key"></button>
    <button data-key="f4"  class="key"></button>
    <button data-key="f#4" class="key black"></button>
    <button data-key="g4"  class="key"></button>
    <button data-key="g#4"  class="key black"></button>
    <button data-key="a4"  class="key"></button>
    <button data-key="a#4"  class="key black"></button>
    <button data-key="b4" class="key"></button>

    <!-- Second octave -->
    <button data-key="c5" class="key"></button>
    <button data-key="c#5" class="key black"></button>
    <button data-key="d5" class="key"></button>
    <button data-key="d#5" class="key black"></button>
    <button data-key="e5" class="key"></button>
    <button data-key="f5" class="key"></button>
    <button data-key="f#5" class="key black"></button>
    <button data-key="g5" class="key"></button>
    <button data-key="g#5" class="key black"></button>
    <button data-key="a5" class="key"></button>
    <button data-key="a#5" class="key black"></button>
  </div>
</body>
</html>