JavaScript实现的弹出遮罩层特效经典示例【基于jQuery】

发布时间：2020-09-27 13:38:06 来源：脚本之家阅读：132 作者：webbc 栏目：web开发

本文实例讲述了JavaScript实现的弹出遮罩层特效。分享给大家供大家参考，具体如下：

这篇给大家分享一个简单的遮罩层特效，先上效果图。

代码：

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>查看，修改，删除</title>
  <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
  <style>
    table{
      width:500px;
      border:1px solid blue;
      border-collapse: collapse;
    }
    table th{
      border:1px solid blue;
      height:30px;
    }
    table td{
      border:1px solid blue;
      text-align:center;
      height:30px;
    }
    table td a {
      color:red;
    }
    div.proDiv{
      width:500px;
      position: absolute;
      left:50%;
      margin-left:-250px;
      padding:10px;
      border:1px solid red;
      top:100px;
      background: #fff;
      display: none;
      z-index: 3
    }
    div.proDiv p{
      border-bottom:1px solid red;
    }
    div.proDiv a.close{
      color:red;
    }
  </style>
</head>
<body>
  <table>
    <tr>
      <th>姓名</th>
      <th>年龄</th>
      <th>工作</th>
      <th>工资</th>
      <th>操作</th>
    </tr>
    <tr>
      <td>张三</td>
      <td>22</td>
      <td>项目经理</td>
      <td>12000</td>
      <td>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="view">查看</a>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="del">删除</a>
      </td>
    </tr>
    <tr>
      <td>李四</td>
      <td>24</td>
      <td>前端工程师</td>
      <td>10000</td>
      <td>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="view">查看</a>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="del">删除</a>
      </td>
    </tr>
    <tr>
      <td>王五</td>
      <td>21</td>
      <td>java工程师</td>
      <td>12000</td>
      <td>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="view">查看</a>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>
        <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="del">删除</a>
      </td>
    </tr>
  </table>
  <div class="proDiv">
    <p><strong>姓名：</strong><span></span></p>
    <p><strong>年龄：</strong><span></span></p>
    <p><strong>工作：</strong><span></span></p>
    <p><strong>工资：</strong><span></span></p>
    <a class="close" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >关闭</a>
  </div>
</body>
<script>
  //查看操作
  $('a.view').click(function(){
    //获取文档的宽和高
    var maskWidth = $(document).width();
    var maskHeight = $(document).height();
    //遮罩层初始化
    $('<div class="mask"></div>').appendTo($('body'));
    $('div.mask').css({
      'position':'absolute',
      'top':0,
      'left':0,
      'background':'black',
      'opacity':0.5,
      'width':maskWidth,
      'height':maskHeight,
      'z-index':2
    });
    var data = [];//保存数据的数组
    //将一行的数据添加到数据中
    $(this).parent().siblings().each(function(){
      data.push($(this).text())
    });
    //将内容显示到弹出层中
    $('div.proDiv').children().each(function(i){
      $(this).children('span').text(data[i]);
    });
    $('div.proDiv').show();//显示弹出层
    //关闭操作
    $('a.close').click(function(){
      $(this).parent().hide();
      $('div.mask').remove();
    });
  });
  //删除操作
  $('a.del').click(function(){
    $(this).parents('tr').remove();
  });
</script>
</html>

页面中有一个表格，一个隐藏的弹出层，当点击查看按钮，首先创建一个遮罩层，然后获取这一行中的数据，并把数据显示到弹出层中，最后把弹出层隐藏，点击关闭按钮关闭弹出层并关闭遮罩层。点击删除按钮把这个tr删除即可。

感兴趣的朋友可以使用在线HTML/CSS/JavaScript代码运行工具：http://tools.jb51.net/code/HtmlJsRun测试上述代码运行效果。

更多关于jQuery相关内容可查看本站专题：《jQuery页面元素操作技巧汇总》、《jQuery常见事件用法与技巧总结》、《jQuery常用插件及用法总结》、《jQuery扩展技巧总结》及《jquery选择器用法总结》

希望本文所述对大家jQuery程序设计有所帮助。

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JavaScript实现的弹出遮罩层特效经典示例【基于jQuery】

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