App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>编程狮(w3cschool.cn)</title>
    <script src="https://7npmedia.w3cschool.cn/w3.js"></script>
<body>
    <p><button onclick="w3.toggleShow('#London')">点击切换显示/隐藏</button></p>
    
    <div id="London">
      <h2>伦敦</h2>
      <p>伦敦是英国的首都.</p>
    </div>
</body>
</html>
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