jQuery slideToggle ()
  The jQuery slideToggle() method is used to toggle between the slideDown()
    and slideUp() animations. 
  If the element is visible, it will slide up and hide; if it is hidden, it
    will slide down and show. 
  This method is useful for showing and hiding content dynamically with a
    smooth animation.
Syntax
  $(selector).slideToggle(speed, callback);
- speed (Optional):specifies the speed of the sliding animation.Can be "slow", "fast", or a time in milliseconds (e.g., 400).
- callback (Optional):A function to execute after the animation completes.
<!DOCTYPE html>
<html>
<head>
    <title>jQuery slideToggle Example</title>
  <style>
    #content {
        display: none;
        background-color: lightcoral;
        padding: 20px;
        border: 1px solid #ccc;
        margin-top: 10px;
    }
  </style>
</head>
<body>
    <button id="toggleButton">Toggle Content</button>
    <div id="content">
      <p>This is the content that toggles up and down when
    you click the button!</p>
  </div>
  <script>
      $(document).ready(function(){
        $("#toggleButton").click(function(){
          $("#content").slideToggle(500);
      });
    });
  </script>
</body>
</html>
