JavaScript制作的可折叠弹出式菜单示例

复制代码 代码如下:

  <!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>可折叠弹出式菜单</title>

  </head>

  <style>

  body {background-color: #FFF;color: #000;}

  div {margin-bottom: 10px;}

  ul.menu {display: none;list-style-type: none;margin-top: 5px;}

  a.menuLink {font-size: 16px;font-weight: bold;}

  </style>

  <script type="text/javascript">

  window.onload = initAll;

  function initAll() {

  var allLinks = document.getElementsByTagName("a");

  for (var i=0; i<allLinks.length; i++) {

  if (allLinks[i].className.indexOf("menuLink") > -1) {

  allLinks[i].onclick = toggleMenu;

  }

  }

  }

  function toggleMenu() {

  var startMenu = this.href.lastIndexOf("/")+1;

  var stopMenu = this.href.lastIndexOf(".");

  var thisMenuName = this.href.substring(startMenu,stopMenu);

  var thisMenu = document.getElementById(thisMenuName).style;

  if (thisMenu.display == "block") {

  thisMenu.display = "none";

  }

  else {

  thisMenu.display = "block";

  }

  return false;

  }

  </script>

  <body>

  <h1>Shakespeare's Plays</h1>

  <div>

  <a href="menu1.html" class="menuLink">Comdeis</a>

  <ul class="menu" id="menu1">

  <li><a href="pg1.html">All's Well That Ends Well</a></li>

  <li><a href="pg2.html">As You Like It</a></li>

  <li><a href="pg3.html">Love's Labour's Lost</a></li>

  <li><a href="pg4.html">The Comedy of Errors</a></li>

  </ul>

  </div>

  <div>

  <a href="menu2.html" class="menuLink">Tragedies</a>

  <ul class="menu" id="menu2">

  <li><a href="pg5.html">Anthony & Cleopatra</a></li>

  <li><a href="pg6.html">Hamlet</a></li>

  <li><a href="pg7.html">Romeo & Juliet</a></li>

  </ul>

  </div>

  <div>

  <a href="menu3.html" class="menuLink">Histories</a>

  <ul class="menu" id="menu3">

  <li><a href="pg8.html">Henry IV, Part1</a></li>

  <li><a href="pg9.html">Henry IV, Part2</a></li>

  </ul>

  </div>

  </body>

  </html>