What is the best way to implement iscroll4 in an iPad2 using CSS?

<html>
<head>
  <script type="text/javascript" src="js/jquery.js"></script>
  <script type="text/javascript" src="js/iscroll.js"></script>
  <script type="text/javascript" src="js/jquery-ui.min.js"></script>
  <link rel="stylesheet" type="text/css" href="js/jquery-ui.css" />
  <link rel="stylesheet" type="text/css" href="css/drag.css" />
  <script type="text/javascript>
    $(document).ready(function(){
      var myScroll;
      function loaded() {
        myScroll = new iScroll('wrapper');
      }
      document.addEventListener('DOMContentLoaded', loaded, false);
    });
  </script>
</head>
<body>
<div id="wrapper" style="overflow: hidden; ">
  <div id="scroll" style="-webkit-transition: -webkit-transform 0ms; -webkit-transform-origin: 0px 0px; -webkit-transform: translate3d(0px, 0px, 0px);" >
  <ul>
    <li>a</li>
    <li>b</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>c</li>
    <li>d</li>
  </ul>
</div>
<div class="myScrollbarV" style="pointer-events: none; -webkit-transition: opacity 0ms 0ms; overflow: hidden; opacity: 1; ">
  <div style="pointer-events: none; -webkit-transition: -webkit-transform 0ms cubic-bezier(0.33, 0.66, 0.66, 1); height: 40px; -webkit-transform: translate3d(0px, 221px, 0px); ">
  </div>
</div>
</div>
</body>
</html>

The above HTML code represents the structure for implementing iscroll4 along with necessary CSS. The CSS styles are defined to customize the appearance of the scrollbars and scroll functionality. However, there seems to be an issue with scrolling the content. The red scroll is visible but not functional. I am seeking assistance in troubleshooting the problem. For reference, I am following the implementation guidelines provided here.

Answer №1

Before anything else, it's important to note that there is no need to explicitly declare var myScroll;. In fact, it is recommended not to do so. It is advisable to bind the iScroll to the window object for better flexibility in deallocating it if necessary and for easier examination and debugging of its behavior.

To better understand the issue, set a javascript breakpoint in your browser and inspect the window.myScroll object. At times, iScroll may incorrectly calculate the height of its scroller or wrapper, resulting in vScroll and hScroll being disabled automatically. To remedy this, manually trigger window.myScroll.refresh(); in the javascript console after making CSS adjustments, which should enable scrolling functionality. After it starts scrolling, implement the CSS changes made in-browser in the drag.css file.

(PS: If preferred, you can remove inline styles from the scroller and wrapper as iScroll will apply those styles automatically)

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