Javascript 多级下拉菜单CSS JS:不使用IE

Javascript 多级下拉菜单CSS JS:不使用IE,javascript,html,css,drop-down-menu,internet-explorer-11,Javascript,Html,Css,Drop Down Menu,Internet Explorer 11,IE11的问题是,我的下拉式多级(下拉式)菜单在Chrome和FireFox中工作,而不是IE11,这样我就可以只更改一个文件的菜单,而不必转到每个页面来更改菜单。我需要三级菜单。(感谢Frogmouth的帮助,使其正常工作): 我尝试了不同的HTML!DOCTYPE,但不工作 如何解决IE菜单问题? 我有JS(文件名:Menu Script.JS) document.getElementById(“nav01”).innerHTML= “”+ “”+//这里不关li “”+ “”+//这

IE11的问题是,我的下拉式多级(下拉式)菜单在Chrome和FireFox中工作,而不是IE11,这样我就可以只更改一个文件的菜单,而不必转到每个页面来更改菜单。我需要三级菜单。(感谢Frogmouth的帮助,使其正常工作):

我尝试了不同的HTML!DOCTYPE,但不工作

如何解决IE菜单问题? 我有JS(文件名:Menu Script.JS)

document.getElementById(“nav01”).innerHTML=
“
    ”+ “
  • ”+//这里不关li “
      ”+ “
    • ”+//这里不关li “
        ”+ “
      • ”+ “
      • ”+ “
    • ”+//在此处关闭li “
    • ”+ “
  • ”+//在此处关闭li “
  • ”+ “
  • ”+ “
”; document.getElementById(“foot01”).innerHTML= “©;”+新日期()。getFullYear()+ “好的……”;
这有很多问题,你在一个非html5文档中使用html5标记

然而,问题是由于在页脚标记之前加载了js,所以js看不到它

菜单不必在js中完成,请使用纯html

 <!DOCTYPE html>
 <html>
 <head>
 <link href="site123.css" rel="stylesheet">
 </head>
 <body>

 <nav id="nav01">
     <ul id="top-level-menu">
         <li><a href="index.html">Home</a>
             <ul id="second-level-menu">
                 <li><a href="index12.html">Home12</a>
                     <ul id="third-level-menu">
                         <li><a href="index123.html">Home123</a></li>
                         <li><a href="index124.html">Home124</a></li>
                     </ul>
                 </li>
                 <li><a href="index13.html">Home13</a></li>
             </ul>
         </li>
         <li><a href="customers.html">Data</a></li>
         <li><a href="about.html">About</a></li>
     </ul>
 </nav>


 <div id="main">


 <h1>Welcome to Our Site</h1>
 <h2>Web Site Main Ingredients:</h2>

 <p>Pages (HTML)</p>
 <p>Style (CSS)</p>
 <p>Code (JavaScript)</p>


 <footer id="foot01"></footer>
 </div>
 <script>
     document.getElementById("foot01").innerHTML =
 "<p>&copy;  " + new Date().getFullYear() +
 " OKay..</p>";
 </script>
 </body>
 </html>

欢迎来到我们的网站 网站主要内容: 网页(HTML)

样式(CSS)

代码(JavaScript)

document.getElementById(“foot01”).innerHTML= “©;”+新日期()。getFullYear()+ “好的……”;
这是一个好主意,但是每季度添加/更改一个新的子菜单时,拥有超过40个HTML页面将是一个问题。这一定是一个可以做到这一点的代码。谢谢。如果需要更改,请使用html模板,并使用js将其加载到文档中。
ul#third-level-menu
{
position: absolute;
top: 0;
right: -150px;
width: 150px;
list-style: none;
padding: 0;
margin: 0;
display: none;
}

ul#third-level-menu > li
{
height: 30px;
background: #999999;
}

ul#third-level-menu > li:hover { background: #CCCCCC; }

ul#second-level-menu
{
position: absolute;
top: 30px;
left: 0;
width: 150px;
list-style: none;
padding: 0;
margin: 0;
display: none;
}

ul#second-level-menu > li
{
position: relative;
height: 30px;
background: #999999;
}
ul#second-level-menu > li:hover { background: #CCCCCC; }

ul#top-level-menu
{
list-style: none;
padding: 0;
margin: 0;
}

ul#top-level-menu > li
{
position: relative;
float: left;
height: 30px;
width: 150px;
background: #999999;
}
ul#top-level-menu > li:hover { background: #CCCCCC; }

ul#top-level-menu li:hover > ul
{
/* On hover, display the next level's menu */
display: inline;
}


/* Menu Link Styles */

ul#top-level-menu a /* Apply to all links inside the multi-level menu */
{
font: bold 14px Arial, Helvetica, sans-serif;
color: #FFFFFF;
text-decoration: none;
padding: 0 0 0 10px;

/* Make the link cover the entire list item-container */
display: block;
line-height: 30px;
}

ul#top-level-menu a:hover { color: #000000; }
document.getElementById("nav01").innerHTML =
"<ul id='top-level-menu'>" +
"<li><a href='index.html'>Home</a>" + // not close li here

"<ul id='second-level-menu'>" +
"<li><a href='index12.html'>Home12</a>" + // not close li here


 "<ul id='third-level-menu'>" +
 "<li><a href='index123.html'>Home123</a></li>" +
 "<li><a href='index124.html'>Home124</a></li>" +
 "</ul></li>" + // close li here

 "<li><a href='index13.html'>Home13</a></li>" +

"</ul></li>"  + // close li here

"<li><a href='customers.html'>Data</a></li>" +
"<li><a href='about.html'>About</a></li>" +
"</ul>"; 


document.getElementById("foot01").innerHTML =
"<p>&copy;  " + new Date().getFullYear() +
" OKay..</p>";
 <!DOCTYPE html>
 <html>
 <head>
 <link href="site123.css" rel="stylesheet">
 </head>
 <body>

 <nav id="nav01">
     <ul id="top-level-menu">
         <li><a href="index.html">Home</a>
             <ul id="second-level-menu">
                 <li><a href="index12.html">Home12</a>
                     <ul id="third-level-menu">
                         <li><a href="index123.html">Home123</a></li>
                         <li><a href="index124.html">Home124</a></li>
                     </ul>
                 </li>
                 <li><a href="index13.html">Home13</a></li>
             </ul>
         </li>
         <li><a href="customers.html">Data</a></li>
         <li><a href="about.html">About</a></li>
     </ul>
 </nav>


 <div id="main">


 <h1>Welcome to Our Site</h1>
 <h2>Web Site Main Ingredients:</h2>

 <p>Pages (HTML)</p>
 <p>Style (CSS)</p>
 <p>Code (JavaScript)</p>


 <footer id="foot01"></footer>
 </div>
 <script>
     document.getElementById("foot01").innerHTML =
 "<p>&copy;  " + new Date().getFullYear() +
 " OKay..</p>";
 </script>
 </body>
 </html>