HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>insertBefore inner demo</title>

  <style>

    body { font-family: sans-serif; padding: 16px; max-width: 480px; }

    .inner { background: #dbeafe; padding: 8px 10px; margin: 6px 0; border-radius: 4px; }

    button { margin-top: 12px; padding: 10px 16px; background: #059669; color: #fff; border: none; border-radius: 6px; cursor: pointer; }

    #hint { color: #64748b; font-size: 14px; margin-top: 10px; }

  </style>

</head>

<body>

  <div class="inner">Hello</div>

  <div class="inner">Goodbye</div>

  <button type="button">Insert span before .inner</button>

  <p id="hint">Each .inner gets a Test span as previous sibling.</p>

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

  <script>

    $("button").on("click", function() {

      $("<span> Test </span>").insertBefore(".inner");

      $("#hint").text('Inserted "<span> Test </span>" before each .inner element.');

    });

  </script>

</body>

</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

jQuery .insertBefore() — HTML before .inner (Try It)