HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>slideToggle accordion</title>

  <style>

    body { font-family: sans-serif; padding: 16px; max-width: 32rem; }

    .faq-item { border: 1px solid #e2e8f0; border-radius: 8px; margin-bottom: 10px; overflow: hidden; }

    .faq-header { padding: 12px 14px; background: #f8fafc; cursor: pointer; font-weight: 600; }

    .faq-header:hover { background: #f1f5f9; }

    .answer { display: none; padding: 12px 14px; background: #fff; border-top: 1px solid #e2e8f0; }

  </style>

</head>

<body>

  <div class="faq-item">

    <div class="faq-header">What is jQuery .slideToggle()?</div>

    <div class="answer">It displays or hides elements with a sliding height animation, picking slideDown or slideUp automatically.</div>

  </div>

  <div class="faq-item">

    <div class="faq-header">When should I use it?</div>

    <div class="answer">Use it for accordions, collapsible menus, and any UI that expands and collapses with one control.</div>

  </div>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>

  <script>

    $(".faq-header").on("click", function () {

      $(this).next(".answer").slideToggle("slow");

    });

  </script>

</body>

</html>

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jQuery .slideToggle() — accordion FAQ (Try It)