<a href="#" onclick="Click_Func">see demo</a><br />
        <img id="img-demo"  style="display:" src="images/FAQ-1.png"  alt="" style="vertical-align: middle" />
<script language="javascript" type="text/javascript">
function Click_Func()
{
    var obj=document.getElementById("img-demo");
    (obj.style.display=="")?"obj.style.display='none'":"obj.style.display=''";
}

解决方案 »

  1.   

    onclick="Click_Func()" 函数要带括号id="img-demo" id好像不能有-符号吧设置显示与隐藏用style="display:none" or style="visibility:******"
    总之,基础差了点
      

  2.   

    <HTML>
    <HEAD>
    <TITLE> New Document </TITLE>
    <script  type="text/javascript">
    function Click_Func()
    {
        var obj=document.getElementById("img_demo");     if(obj.style.display=="none")obj.style.display=''
        else{
    obj.style.display='none';
    }
    }
    </script> 
    </HEAD><BODY>
    <a href="#" onclick="Click_Func()">see demo</a>
            <img id="img_demo"  style="display:" src="images/FAQ-1.png"  alt=""  /></BODY>
      

  3.   

    香蕉你个扒拉
    onclick="Click_Func"> 这算什么?
      

  4.   

    哪有  visible="false" 这样的,只有样式里的
    style="visibility: visible;"
    style="visibility: hidden;"
    另外ID是不可以有减号的<a href="#" onclick="Click_Func();">see demo</a><br />
    <img id="img_demo" src="images/FAQ-1.png"  alt="" style="vertical-align: middle;visibility: visible;">
    <script language="javascript" type="text/javascript">
    function Click_Func()
    {
        var obj=document.all.img_demo;
    obj.style.visibility=obj.style.visibility=="visible"?"hidden":"visible";
    }
    </script>