Jquery倒计时计时器加载失败

为什么我的倒计时计时器不工作。我正在使用keith woods插件。已将倒计时jquery上传到root。http://keith-wood.name/countdownRef.html

代码：

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
 <script type="text/javascript" src="jquery.js"></script>
<link rel="stylesheet" href="jquerycd/jquery.countdown.css" type="text/css" />
<script type="text/javascript" src="jquerycd/jquery.countdown.js"></script>
  <style>
  defaultCountdown({until: liftoffTime});
</style>
</head>
<body>
         <script>
            var newYear = new Date(); 
newYear = new Date(newYear.getFullYear() + 1, 1 - 1, 1); 
$('#defaultCountdown').countdown({until: newYear}); 
$('#removeCountdown').toggle(function() { 
        $(this).text('Re-attach'); 
        $('#defaultCountdown').countdown('destroy'); 
    }, 
    function() { 
        $(this).text('Remove'); 
        $('#defaultCountdown').countdown({until: newYear}); 
    } 
);
<div id="defaultCountdown"></div>
 </script>
</body>
</html>

在调用jQuery文件后，您需要包含对插件JS文件的调用。

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script>
<script type="text/javascript" src="jquerycd/jquery.countdown.js"></script>

这是假定插件JS文件存在。

这只是代码的一个整理版本，包含一个document.ready块（$(function() { ... }）

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>Untitled Document</title>
        <script type="text/javascript" src="jquery.js"></script>
        <script type="text/javascript" src="jquerycd/jquery.countdown.js"></script>
        <link rel="stylesheet" href="jquerycd/jquery.countdown.css" type="text/css" />
         <script>
             $(function() {
                var newYear = new Date(); 
                newYear = new Date(newYear.getFullYear() + 1, 0, 1); 
                $('#defaultCountdown').countdown({ until: newYear }); 
                $('#removeCountdown').toggle(function() { 
                    $(this).text('Re-attach'); 
                    $('#defaultCountdown').countdown('destroy'); 
                }, 
                function() { 
                    $(this).text('Remove'); 
                    $('#defaultCountdown').countdown({ until: newYear }); 
                });
            });
        </script>
    </head>
    <body>
        <div id="defaultCountdown"></div>
        <div id="removeCountdown">Remove</div>
    </body>
</html>

我还在文档的正文中添加了倒计时和切换div。

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