核心代碼：
<script> function removeTransition(event) { if (event.propertyName !== 'transform') return; // 過濾其中一種事件 event.target.classList.remove('playing'); // 移除高亮的樣式 } function playSound(event) { const audio = document.querySelector(`audio[data-key="${event.keyCode}"]`); // 根據觸發按鍵的鍵碼，獲取對應音頻 const key = document.querySelector(`div[data-key="${event.keyCode}"]`); // 獲取頁面對應按鈕 DIV 元素 if (!audio) return; // 處理無效的按鍵事件 key.classList.add('playing'); // 改變樣式 audio.currentTime = 0; // 每次播放之后都使音頻播放進度歸零 audio.play(); // 播放相應音效 } const keys = Array.from(document.querySelectorAll('.key')); // 獲取頁面所有按鈕元素 keys.forEach(key => key.addEventListener('transitionend', removeTransition)); // 添加 transition 事件監聽 window.addEventListener('keydown', playSound);</script>中文版本完整代碼：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>JS Drum Kit</title> <link rel="stylesheet" href="style.css" rel="external nofollow" rel="external nofollow" ></head><body> <div class="keys"> <div data-key="65" class="key"> <kbd>A</kbd> <span class="sound">clap</span> </div> <div data-key="83" class="key"> <kbd>S</kbd> <span class="sound">hihat</span> </div> <div data-key="68" class="key"> <kbd>D</kbd> <span class="sound">kick</span> </div> <div data-key="70" class="key"> <kbd>F</kbd> <span class="sound">openhat</span> </div> <div data-key="71" class="key"> <kbd>G</kbd> <span class="sound">boom</span> </div> <div data-key="72" class="key"> <kbd>H</kbd> <span class="sound">ride</span> </div> <div data-key="74" class="key"> <kbd>J</kbd> <span class="sound">snare</span> </div> <div data-key="75" class="key"> <kbd>K</kbd> <span class="sound">tom</span> </div> <div data-key="76" class="key"> <kbd>L</kbd> <span class="sound">tink</span> </div> </div> <audio data-key="65" src="sounds/clap.wav"></audio> <audio data-key="83" src="sounds/hihat.wav"></audio> <audio data-key="68" src="sounds/kick.wav"></audio> <audio data-key="70" src="sounds/openhat.wav"></audio> <audio data-key="71" src="sounds/boom.wav"></audio> <audio data-key="72" src="sounds/ride.wav"></audio> <audio data-key="74" src="sounds/snare.wav"></audio> <audio data-key="75" src="sounds/tom.wav"></audio> <audio data-key="76" src="sounds/tink.wav"></audio><script> function removeTransition(event) { if (event.propertyName !== 'transform') return; // 過濾其中一種事件 event.target.classList.remove('playing'); // 移除高亮的樣式 } function playSound(event) { const audio = document.querySelector(`audio[data-key="${event.keyCode}"]`); // 根據觸發按鍵的鍵碼，獲取對應音頻 const key = document.querySelector(`div[data-key="${event.keyCode}"]`); // 獲取頁面對應按鈕 DIV 元素 if (!audio) return; // 處理無效的按鍵事件 key.classList.add('playing'); // 改變樣式 audio.currentTime = 0; // 每次播放之后都使音頻播放進度歸零 audio.play(); // 播放相應音效 } const keys = Array.from(document.querySelectorAll('.key')); // 獲取頁面所有按鈕元素 keys.forEach(key => key.addEventListener('transitionend', removeTransition)); // 添加 transition 事件監聽 window.addEventListener('keydown', playSound);</script></body></html>
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