Using jQuery functions to disable adding or removing classes with a click event

Has anyone had success implementing a functionality where a div expands upon clicking, and reverts back to its original state when clicking on a cancel link within the same div?

<div class="new-discussion small">
    <a class="cancel">Cancel</a>
</div>

<script>
    $('.new-discussion.small').click(function() {
        $(this).addClass("expand").removeClass("small");
    });
    $('a.cancel').click(function() {
        $('.new-discussion.expand').addClass("small").removeClass("expand");
    });
</script>

While adding the expand class works as intended, closing the panel by clicking on the cancel link only functions properly when a certain code snippet is removed. It seems that this particular section of code may be preventing the second function from executing correctly.

$('.new-discussion.small').click(function() {
    $(this).addClass("expand").removeClass("small");
});

Could someone provide some insight into why this might be happening? Any ideas or suggestions would be greatly appreciated! Thanks!

Answer №1

Give this a shot

$('a.cancel').on('click', function() {
    $('.new-discussion.expand').addClass("small").removeClass("expand");
    return false;
});

The issue could be that your click event is bubbling up to a parent element that also has a click event listener.

Answer №2

When the a element is contained within the .new-discussion element, clicking on the a will trigger the click event on the parent element due to event bubbling.

To resolve this issue, you can prevent the event from propagating by using e.stopPropagation();. This will ensure that any handlers assigned to the parent element are not executed.

$('a.cancel').click(function(e) {
    e.stopPropagation();
    $('.new-discussion.expand').addClass("small").removeClass("expand");
});

Answer №3

When the link is situated within the <div>, both click methods are used simultaneously. To ensure smooth functioning, it is advisable to check if the container is already open before taking any further action:

<script>
    $('.new-discussion.small').click(function() {
        if ($(this).hasClass("small")) {
            $(this).addClass("expand").removeClass("small");
        }
    });
    $('a.cancel').click(function() {
        $(this).parent('.expand').addClass("small").removeClass("expand");
    });
</script>

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