first() matches only a single element : Selector first last « jQuery « JavaScript Tutorial






  1. JavaScript Tutorial
  2. jQuery
  3. Selector first last
<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
                
            $("tr:first").css("background-color", "red");

                
        });
    </script>

  </head>
  <body>
    <body>
    <table border="1">
        <tr><td>TD #0</td><td>TD #1</td><td>TD #2</td></tr>
        <tr><td>TD #3</td><td>TD #4</td><td>TD #5</td></tr>
        <tr><td>TD #6</td><td>TD #7</td><td>TD #8</td></tr>
    </table>

    </body>
</html>








30.6.Selector first last
30.6.1.Get first paragraph
30.6.2.Select first span
30.6.3.Get first child ID
30.6.4.lastChild() : One for each parent.
30.6.5.firstChild(): One for each parent.
30.6.6.Get last paragraph
30.6.7.Matches the first selected element
30.6.8.last() matches the last selected element.
30.6.9.first() matches only a single element
30.6.10.Matches the last selected element