JavaScript實(shí)現(xiàn)的彈出遮罩層特效經(jīng)典示例【基于jQuery】

更新時間：2019年07月10日 11:29:31 作者：webbc

這篇文章主要介紹了JavaScript實(shí)現(xiàn)的彈出遮罩層特效,結(jié)合實(shí)例形式分析了基于jQuery實(shí)現(xiàn)的頁面元素與屬性動態(tài)操作相關(guān)使用技巧,需要的朋友可以參考下

本文實(shí)例講述了JavaScript實(shí)現(xiàn)的彈出遮罩層特效。分享給大家供大家參考，具體如下：

這篇給大家分享一個簡單的遮罩層特效，先上效果圖。

代碼：

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>查看，修改，刪除</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>年齡</th>
      <th>工作</th>
      <th>工資</th>
      <th>操作</th>
    </tr>
    <tr>
      <td>張三</td>
      <td>22</td>
      <td>項(xiàng)目經(jīng)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">刪除</a>
      </td>
    </tr>
    <tr>
      <td>李四</td>
      <td>24</td>
      <td>前端工程師</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">刪除</a>
      </td>
    </tr>
    <tr>
      <td>王五</td>
      <td>21</td>
      <td>java工程師</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">刪除</a>
      </td>
    </tr>
  </table>
  <div class="proDiv">
    <p><strong>姓名：</strong><span></span></p>
    <p><strong>年齡：</strong><span></span></p>
    <p><strong>工作：</strong><span></span></p>
    <p><strong>工資：</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" >關(guān)閉</a>
  </div>
</body>
<script>
  //查看操作
  $('a.view').click(function(){
    //獲取文檔的寬和高
    var maskWidth = $(document).width();
    var maskHeight = $(document).height();
    //遮罩層初始化
    $('<div class="mask"></div>').appendTo($('body'));
    $('div.mask').css({
      'position':'absolute',
      'top':0,
      'left':0,
      'background':'black',
      'opacity':0.5,
      'width':maskWidth,
      'height':maskHeight,
      'z-index':2
    });
    var data = [];//保存數(shù)據(jù)的數(shù)組
    //將一行的數(shù)據(jù)添加到數(shù)據(jù)中
    $(this).parent().siblings().each(function(){
      data.push($(this).text())
    });
    //將內(nèi)容顯示到彈出層中
    $('div.proDiv').children().each(function(i){
      $(this).children('span').text(data[i]);
    });
    $('div.proDiv').show();//顯示彈出層
    //關(guān)閉操作
    $('a.close').click(function(){
      $(this).parent().hide();
      $('div.mask').remove();
    });
  });
  //刪除操作
  $('a.del').click(function(){
    $(this).parents('tr').remove();
  });
</script>
</html>

頁面中有一個表格，一個隱藏的彈出層，當(dāng)點(diǎn)擊查看按鈕，首先創(chuàng)建一個遮罩層，然后獲取這一行中的數(shù)據(jù)，并把數(shù)據(jù)顯示到彈出層中，最后把彈出層隱藏，點(diǎn)擊關(guān)閉按鈕關(guān)閉彈出層并關(guān)閉遮罩層。點(diǎn)擊刪除按鈕把這個tr刪除即可。

感興趣的朋友可以使用在線HTML/CSS/JavaScript代碼運(yùn)行工具：http://tools.jb51.net/code/HtmlJsRun測試上述代碼運(yùn)行效果。

更多關(guān)于jQuery相關(guān)內(nèi)容可查看本站專題：《jQuery頁面元素操作技巧匯總》、《jQuery常見事件用法與技巧總結(jié)》、《jQuery常用插件及用法總結(jié)》、《jQuery擴(kuò)展技巧總結(jié)》及《jquery選擇器用法總結(jié)》

希望本文所述對大家jQuery程序設(shè)計有所幫助。

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