HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>Multi-step serial dequeue</title>

  <style>

    body { font-family: sans-serif; padding: 16px; max-width: 28rem; }

    pre { background: #f1f5f9; padding: 12px; border-radius: 6px; font-size: 13px; min-height: 4rem; }

    button { padding: 8px 16px; margin-top: 8px; }

  </style>

</head>

<body>

  <button type="button" id="start">Start steps</button>

  <pre id="log">Click Start steps.</pre>

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

  <script>

    var $log = $("#log");

    function setupSteps() {

      $log.clearQueue();

      $log.queue(function () {

        $log.append("Step 1\n");

        $(this).dequeue();

      });

      $log.queue(function () {

        $log.append("Step 2\n");

        $(this).dequeue();

      });

      $log.queue(function () {

        $log.append("Step 3\n");

        $(this).dequeue();

      });

    }

    $("#start").on("click", function () {

      $log.text("");

      setupSteps();

      $log.dequeue();

    });

  </script>

</body>

</html>

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jQuery .dequeue() — multi-step serial log (Try It)