faseIn()没有反应

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#reply").click(function(){
$("#af").fadeIn('slow')
})
})
</script>
</head>
<body>
<div>
  <p>xxxxxxx</p>
  <span  style="display:none;" id="af">
  <form>
    <textarea ></textarea>
    <input value="提交" type="submit" />
    <input value="取消" type="reset" />
  </form>
  </span> <span id="reply"><a href="#" >回复</a></span>
</div>
</body>
</html>

解决方案 »

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<HTML xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js"></script>
</HEAD>
<BODY>
<div>
  <p>xxxxxxx</p>
  <div style="display:none;" id="af">
  <form>
  <textarea ></textarea>
  <input value="提交" type="submit" />
  <input value="取消" type="reset" />
  </form>
  </div> <span id="reply"><a href="#" >回复</a></span>
</div>
<script type="text/javascript">
$(document).ready(function(){
$("#reply").click(function(){
$("#af").fadeIn('slow')
})
})
                        </script>
</BODY>
</HTML>
没问题能出来``
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="Jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#reply").click(function(){
$("#af").fadeIn('slow')
})
})
</script>
</head>
<body>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span  style="display:none;" id="af">
  <form>
    <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span id="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span  style="display:none;" id="af">
  <form>
    <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span id="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span  style="display:none;" id="af">
  <form>
    <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span id="reply"><a href="#" >回复</a></span> </div>
</body>
</html>这样的话为何只有第一个有反应呢？下面的都没反应
<HTML xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js"></script>
</HEAD>
<BODY>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" id="af">
  <form>
  <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span class="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" id="af">
  <form>
  <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span class="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" id="af">
  <form>
  <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span class="reply"><a href="#" >回复</a></span> </div><script type="text/javascript">
$(document).ready(function(){
$.each($(".reply"),function(){
$(this).click(function(){
$(this).parent().find('#af').fadeIn('slow')

})
})
})
                        </script>
</BODY>
</HTML>
<HTML xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js"></script>
</HEAD>
<BODY>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" class="af">
  <form>
  <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span class="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" class="af">
  <form>
  <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span class="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" class="af">
  <form>
  <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
  </span><span class="reply"><a href="#" >回复</a></span> </div><script type="text/javascript">
    $(document).ready(function(){
        $.each($(".reply"),function(){
            $(this).click(function(){
$.each($(".af"),function(){$(this).css({'display':'none'})})
                $(this).parent().find('.af').fadeIn('slow')

            })
        })
    })
                        </script>
</BODY>
</HTML>
代码看了半天只是有限感觉好复杂谢谢！<HTML xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<META http-equiv=Content-Type content="text/html; charset=utf-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.0/jquery.min.js"></script>
</HEAD>
<BODY>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" id="af"> </span><span class="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" id="af"> </span><span class="reply"><a href="#" >回复</a></span> </div>
<div>
  <p> xxxxxxxxxxxxxxxxx </p>
  <span style="display:none;" id="af"> </span><span class="reply"><a href="#" >回复</a></span> </div>
<script type="text/javascript">
    $(document).ready(function(){

    })
</script>
<form style="display:none">
    <textarea style="width:300px;height:100px; margin:3px 0 0 20px; border:#C90 1px solid;"></textarea>
  </form>
</BODY>
</HTML>能不能实现点击回复就把隐藏的表单加在回复内容的下面？谢谢!