Select first span : Selector first last « jQuery « JavaScript Tutorial






  1. JavaScript Tutorial
  2. jQuery
  3. Selector first last
<html>
  <head>
    <style>
      .test{ border: 1px solid red; }
    </style>
  
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
    $(document).ready(function(){
           $("span:first").text($(":hidden", document.body).length + " hidden elements.");
    });

    </script>


  </head>
  <body>
      <span></span>
        <div></div>
        <div style="display:none;">Hider!</div>
        <div></div>
        <div></div>
        <form>
            <input type="hidden" />
            <input type="hidden" />
            <input type="hidden" />
        </form>
        <span></span>
  </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