lovecoding
/
VIP28


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    ul {
      list-style: none;
    }

    h2 {
      width: 300px;
      height: 50px;
      background: black;
      color: white;
    }
    ul{
      display: none;
    }
  </style>
</head>

<body>
  <div id="container">
    <h2>管理区</h2>
    <ul>
      <li>111</li>
      <li>111</li>
      <li>111</li>
    </ul>
    <h2>交流区</h2>
    <ul>
      <li>456</li>
      <li>456</li>
      <li>456</li>
    </ul>
  </div>
  <script>
    var h2 = document.getElementsByTagName('h2')

    for (var i = 0; i < h2.length; i++) {
      h2[i].onclick = function () {
        var ul1 = next(this)
        console.log(ul1)
        if(ul1.style.display == 'block'){
          ul1.style.display = 'none'
        } else {
          ul1.style.display = 'block'
        }
      } 
    }
    function next(elem){
      do{
        elem = elem.nextSibling
      } while(elem.nodeType != 1)
      return elem
    }
  </script>
</body>

</html>