Home > Article > Web Front-end > When setting the display and shadowing of images, my code does not work when clicked. What's going on? _html/css_WEB-ITnose
When setting the display and shadowing of images, my code does not work when clicked. What's going on? _html/css_WEB-ITnose
- WBOYOriginal
- 2016-06-24 11:57:35803browse
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.childeMenu{display:none;list-style:none;}
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function show(id){
var ul=document.getElementById("id");
if(ul.style.display=="block"){
ul.style.display="none";
}else{
ul.style.display="block";
}
}
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a4b561c25d9afb9ac8dc4d70affff4199763126a8d2d410570c64d6dbf822d6e树形菜单：0d36329ec37a2cc24d42c7229b69747a
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a4b561c25d9afb9ac8dc4d70affff419b18e59b791c43cca6a989749011bed56acb5ca144c5a7ea3975508795adba89e文学艺术5db79b134e9f6b82c0b36e0489ee08ed0d36329ec37a2cc24d42c7229b69747a
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25edfb22a4f469ecb59f1190150159c6cbba1a94f713e3c385f88a805ee42aae感恩bed06894275b65c1ab86501b08a632eb
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回复讨论(解决方案)
改成
var ul=document.getElementById("art");
你没有id="id"的元素
赞同楼上
赞同楼上
你没有给show传id参数 你要使用参数，你需要这样写
var ul=document.getElementById(id);
1c0e569045a736648040a8c345f896f6
<script src="jquery-1.9.1.js"></script> <script> $(function () { $("#displayShow").click(function () { if ($("#art").hide())//可以改成$(".childeMenu").hide() $("#art").show();//可以改成$(".childeMenu").show() else $("#art").hide();//可以改成$(".childeMenu").hide() }) }); </script> 2b27f004b5fb43a92ba47ffb83bab95bacb5ca144c5a7ea3975508795adba89e文学艺术5db79b134e9f6b82c0b36e0489ee08ed
有几个问题
<!DOCTYPE html><html><head> <meta charset="utf-8"> <style type="text/javascript"> .childeMenu{display:none;list-style:none;} </style> <script type="text/javascript"> function show(id){ var ul=document.getElementById(id);// 这里需要修改 if(ul.style.display != "none"){ // 这里需要修改, 因为不设置时, 此属性是""而非"block" ul.style.display = "none"; }else{ ul.style.display = "block"; } } </script></head><body> <b><img src="2.jpg" width="100" height="100" />树形菜单：</b> <br /> <!--下方需要传id进去: 'art'--> <b><a href="javascript:show('art');"><img src="1.jpg" width="100" height="100" />文学艺术</a></b> <ul id="art" class="childeMenu"> <li><img src="1.jpg" width="100" height="100" />先锋</li> <li><img src="3.jpg" width="100" height="100" />感恩</li> </ul></body></html>