JQuery---toggleClass()

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
  <head>
    <title>Disco Zebra Stripes!</title>
    <script type="text/javascript" src="../scripts/jquery-1.2.1.js">
    </script>
    <script type="text/javascript">
      $(function() {
        $("table tr:nth-child(even)").addClass("striped");
      });

      function swap() {
        $('tr').toggleClass('striped');
      }
    </script>
    <style>
      body,td {
        font-size: 10pt;
      }
      table {
        background-color: black;
        border: 1px black solid;
        border-collapse: collapse;
      }
      th {
        border: 1px outset silver;
        background-color: maroon;
        color: white;
      }
      tr {
        background-color: white;
        margin: 1px;
      }
      tr.striped {
        background-color: coral;
      }
      td {
        padding: 1px 8px;
      }
    </style>
  </head>

  <body>
    <table onmouseover="swap()" onmouseout="swap()">
      <tr>
        <th>Year</th>
        <th>Make</th>
        <th>Model</th>
      </tr>
      <tr>
        <td>1965</td>
        <td>Ford</td>
        <td>Mustang</td>
      </tr>
      <tr>
        <td>1970</td>
        <td>Toyota</td>
        <td>Corolla</td>
      </tr>
      <tr>
        <td>1979</td>
        <td>AMC</td>
        <td>Jeep CJ-5</td>
      </tr>
      <tr>
        <td>1983</td>
        <td>Ford</td>
        <td>EXP</td>
      </tr>
      <tr>
        <td>1985</td>
        <td>Dodge</td>
        <td>Daytona</td>
      </tr>
      <tr>
        <td>1990</td>
        <td>Chrysler</td>
        <td>Jeep Wrangler Sahara</td>
      </tr>
      <tr>
        <td>1995</td>
        <td>Ford</td>
        <td>Ranger</td>
      </tr>
      <tr>
        <td>1997</td>
        <td>Chrysler</td>
        <td>Jeep Wrangler Sahara</td>
      </tr>
      <tr>
        <td>2000</td>
        <td>Chrysler</td>
        <td>Jeep Wrangler Sahara</td>
      </tr>
      <tr>
        <td>2005</td>
        <td>Chrysler</td>
        <td>Jeep Wrangler Unlimited</td>
      </tr>
      <tr>
        <td>2007</td>
        <td>Dodge</td>
        <td>Caliber R/T</td>
      </tr>
    </table>
  </body>
</html>

说明:toggleClass()来回切换样式

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