JavaScript实现点击链接切换显示隐藏内容的完整代码示例

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>www.jb51.net 点击链接切换显示隐藏内容</title>
 <style>
  a {
   cursor: pointer;
   color: red;
  }
  #p1, #p2 {
   display: none;
  }
 </style>
</head>
<body>
 <a onclick="con(1)">显示内容1</a>
 <a onclick="con(2)">显示内容2</a>
 <p id="p1">11111</p>
 <p id="p2">22222</p>
 <script>
  flag = "p1";
  function con(i){ //参数传递时传递字符串似乎有问题，这里采用的是数字传参
   document.getElementById(flag).style.display = "none";
   document.getElementById("p" + i).style.display = "inline";
   flag = "p" + i;
  }
 </script>
</body>
</html>