Using jQuery and CSS to Filter and Sort Content

I need help with filtering a list of content based on their class names. The goal is to show specific items when a user clicks on one of two menus. Some items have multiple classes and users should be able to filter by both menus simultaneously.

Currently, my issue is that each menu click does not reset the list of items being displayed. Instead, it filters based on what remains after the initial menu click.

Thank you for any assistance in resolving this problem.

$(document).ready(function () {
    $('.filter li a').click(function () {
        var partnerResources = $(this).attr('class');
        $('.filter li').removeClass('active');
        $(this).parent().addClass('active');

        if (partnerResources == 'all') {
            $('#list-area').children('div').fadeIn(500);
        } else {
            $('#list-area').children('div:not(.' + partnerResources + ')').fadeOut(500);
            $('#list-area').children('div:has(.' + partnerResources + ')').fadeIn(500);
        }
        return false;
    });
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.0/jquery.min.js"></script>
<ul class="filter">
    <li class="active"><a href="#" class="all">All</a>
    </li>
    <li><a href="#" class="welcome-kit">Welcome Kit</a>
    </li>
    <li><a href="#" class="forms">Forms</a>
    </li>
</ul>
<hr />
<ul class="filter">
    <li class="active"><a href="#" class="all">All</a>
    </li>
    <li><a href="#" class="automotive">Automotive</a>
    </li>
    <li><a href="#" class="retail">Retail</a>
    </li>
</ul>
<hr />
<div id="list-area">
    <div class="welcome-kit retail">welcome retail</div>
    <div class="forms">forms</div>
    <div class="forms retail">forms retail</div>
    <div class="welcome-kit automotive">welcome autmotive</div>
    <div class="forms">forms</div>
    <div class="welcome-kit forms">welcome forms</div>
    <div class="welcome-kit automotive">welcome automotive</div>
    <div class="welcome-kit">welcome</div>
    <div class="welcome-kit forms">welcome forms</div>
    <div class="forms">forms</div>
</div>

Answer №1

Here's a Quick Solution

You've encountered a simple mistake: your use of the div:has class selector is not accurately selecting the elements you intend to display!

To correct this, simply replace that line with a regular class selector:

$('#list-area').children('div.' + partnerResources).fadeIn(500);

For a demonstration, check out this working JSFiddle: http://jsfiddle.net/1t1b7gzf/

Explanation provided below

The :has selector targets elements containing child elements that match the specified selector. It does not assess the currently selected element. For additional reference, consult the .has documentation:

The :has() selector

Selects elements that include at least one element matching the designated selector.

For example, $( "div:has(p)" ) will detect a <div> if there exists a <p> among its descendants, regardless of being a direct child or not.

Answer №2

Utilize the .hasClass method for this task

$(document).ready(function () {
    $('.filter li a').click(function () {
        var partnerResources = $(this).hasClass('all');
        $('.filter li').removeClass('active');
        $(this).parent().addClass('active');

        if (partnerResources) {
            $('#list-area').children('div').fadeIn(500);
        } else {
            $('#list-area').children('div:not(.' + partnerResources + ')').fadeOut(500);
            $('#list-area').children('div:has(.' + partnerResources + ')').fadeIn(500);
        }
        return false;
    });
});

Answer №3

To implement this functionality, you can check out the code snippet provided in the link http://jsfiddle.net/vwwyqpvc/.

$(document).ready(function () {
    $('.filter li a').click(function () {
        var partnerResources = $(this).attr('class');
        $('.filter li').removeClass('active');
        $(this).parent().addClass('active');

        if (partnerResources == 'all') {
            $('#list-area').children('div').fadeIn(500);
        } else {
           $('#list-area').children('div').fadeIn(500).end().children('div:not(.' + partnerResources + ')').fadeOut(500).end().children('div:has(.' + partnerResources + ')').fadeIn(500);
        }
        return false;
    });
});

The code adds elements back to the div and filters them based on the menu click event.

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