empty() matches all elements that have no children (including text nodes). : Selector « jQuery « JavaScript Tutorial






  1. JavaScript Tutorial
  2. jQuery
  3. Selector
<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
               
             $("td:empty").text("Was empty!").css('background', 'red');
        });
    </script>

  </head>
  <body>
    <body>
    <table>
        <tr><td>First</td></tr>
        <tr><td></td></tr>
        <tr><td></td></tr>
    </table>


    </body>
</html>








30.2.Selector
30.2.1.Adds class to all divs that have a paragraph inside of them.
30.2.2.Ancestor descendant
30.2.3.Assign query result to variable
30.2.4.Contains another tag
30.2.5.Contains(text) matches elements which contain the given text.
30.2.6.Count hidden tags
30.2.7.Doest it contain
30.2.8.Find all elements is to set the 'context' to document.body
30.2.9.Find all elements within the 'context' (document.body)
30.2.10.Find tag from just added HTML
30.2.11.Find the parent element of each paragraph with a class "selected".
30.2.12.Finds every element (including head, body, etc).
30.2.13.HTML contains
30.2.14.Hides all paragraphs then the link on click.
30.2.15.Make all visible divs turn yellow on click.
30.2.16.Matches all elements
30.2.17.Matches all elements that are headers, like h1, h2, h3 and so on
30.2.18.Matches all elements that have no children (including text nodes)
30.2.19.Matches all elements with the given name.htm
30.2.20.Matches all input elements of type text.htm
30.2.21.Matches elements which contain the given text
30.2.22.Methods to obtain new wrapped set based on relationships
30.2.23.Removes all elements that match "div p.selected" from the total set of all paragraphs.
30.2.24.Select more than one
30.2.25.Show hidden div tags
30.2.26.empty() matches all elements that have no children (including text nodes).
30.2.27.header() matches all elements that are headers, like h1, h2, h3 and so on.
30.2.28.hidden() matches all elements that are hidden, or input elements of type "hidden".
30.2.29.jQuery custom filter selectors
30.2.30.not(selector) filters out all elements matching the given selector.
30.2.31.visible() matches all elements that are visible.