Adding attributes to an anchor in WordPress

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I want to add custom attribute settings to a generated anchor link of WordPress.
This is to let Jquery Mobile find the attributes and makes a button out of it.

Every anchor link, which is generated in WordPress via PHP, contains the page_item class. So my guess is to search for the needed ‘page_item’ class and just add the needed attribute information to generate the needed button.

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My header.php file contains the following links to the needed Jquery libraries: 

<link rel="stylesheet" href="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.css" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
<script src="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.js"></script>

I wanted to use the following code to add attributes to my anchor links but I just can’t seem to let it work. (This code is placed in the header of the header.php file) 

    <script type="text/javascript">
                    $('.page_item').ready(function(){
                     $(this).attr('data-transition', 'pop');
                     $(this).attr('data-icon', 'arrow-r');
                     $(this).attr('data-iconpos', 'left');
                     $(this).attr('data-role', 'button');
                    });

        </script>

When checking the code via firebug WordPress generates the following code: 

<ul>

                    <li class="page_item page-item-5"><a href="http://localhost/ddwp/?page_id=5">Home</a>
<ul class='children'>
<li class="page_item page-item-11"><a href="http://localhost/ddwp/?page_id=11">Link1</a></li>
</ul>
</li>
<li class="page_item page-item-17"><a href="http://localhost/ddwp/?page_id=17">Link2</a></li>
<li class="page_item page-item-21"><a href="http://localhost/ddwp/?page_id=21">Link3</a></li>
<li class="page_item page-item-23"><a href="http://localhost/ddwp/?page_id=23">Link4</a></li>
<li class="page_item page-item-62 current_page_item"><a href="http://localhost/ddwp/?page_id=62">Link5</a></li>
                </ul>

Thanks in advance!

Kind regards
Dragon54

Post Views: 2

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3 comments

  1. There’s a few reasons your script isn’t working. Here’s some suggestions, and some code that is tested to apply the attributes you are after to the links in the navigation:

    1. You might consider moving the ready away from each separate call to a function that contains all of the calls rather than for each call separately. (I have done that below for you).
    2. .page_item is not a link, it is an li element. Also note that this is ONLY the navigation links – it will not apply to any links in the content of the pages/posts.

    3. Jquery in WordPress is not always safe to run using $. By wrapping the calls in a document ready called with jQuery, you can still use $ within the function to call the jQuery functions.

      jQuery(function($) {
    $('.page_item a').each(function(){
        $(this).attr('data-transition', 'pop');
        $(this).attr('data-icon', 'arrow-r');
        $(this).attr('data-iconpos', 'left');
        $(this).attr('data-role', 'button');
    });
});

    EDIT :
    Per the excellent comments by @Jasper the much better way to do this would be:

    jQuery(function($) {
    $('.page_item a').attr({ 'data-transition' : 'pop', 
            'data-icon' : 'arrow-r', 
            'data-iconpos' : 'left', 
            'data-role' : 'button' });
    });

  2. $.ready() is a special event for document loading, and only works on the document. You need to iterate through the items using $.each() instead.

    $(document).ready(function(){
  $('.page_item').each(function() {
    $(this).attr('data-transition', 'pop');
    $(this).attr('data-icon', 'arrow-r');
    $(this).attr('data-iconpos', 'left');
    $(this).attr('data-role', 'button');
  });
});

  3. jQuery(function() {
    jQuery('li.page_item a').each(function () {
        jQuery(this).attr({
            'data-transition': 'pop',
            'data-icon': 'arrow-r',
            'data-iconpos': 'left',
            'data-role': 'button'
        });
    });
});

    or just

    jQuery(function () {
    jQuery('li.page_item a').attr({
        'data-transition': 'pop',
        'data-icon': 'arrow-r',
        'data-iconpos': 'left',
        'data-role': 'button'
    });
});