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js事件 点击按钮显示div 三秒后自动消失
晴天
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3410 people have browsed it

用js改变div2的css 实现窗口的隐藏显示

  1. <!DOCTYPE html>
  2. <html>
  3.     <head>
  4.         <meta charset="UTF-8">
  5.         <title>div的显示隐藏</title>
  6.     </head>
  7.     <style type="text/css">
  8.         .div1{
  9.             width:100px;height:100px;background:red;
  10.         }
  11.         .div2{
  12.             width:100px;height:100px;background:green;display:none
  13.         }
  14.     </style>
  15.     <body>
  16.         <div class="div1" onclick="changeCss()">点击显示div2</div>
  17.         <div class="div2" id="div2">我是div2 且3秒后消失</div>
  18.         <script type="text/javascript">
  19.         function changeCss(){
  20.             //获取div2
  21.             var div2 = decument getElementById('div2')
  22.             //div2 显示
  23.             div2.style.display = "block";
  24.             //三秒后隐藏
  25.             setTime(function(){
  26.                 div2.style.display = "none";
  27.             },3000);
  28.         }
  29.         </script>
  30.     </body>
  31. </html>
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