Creating a collapsing drop down menu with CSS

I utilized a code snippet that I found on the following website:

Modifications were made to the code as shown below:

 <div class="col-md-12">
            ...
        </div>

However, after rearranging the form tag, the drop-down menu collapses when clicking anywhere inside it. Can someone explain why this is happening?

Despite my attempts to make adjustments, I have not been able to resolve this issue.

https://jsfiddle.net/tj2y5ptp/

Answer №1

One way to toggle the dropdown menu is by removing data-toggle="dropdown" and using jQuery's .toggleClass('open'); and .removeClass('open'); methods. This will allow you to open and close the dropdown with ease, including the feature where clicking outside the dropdown (on Body) will automatically close it:

To Open Dropdown:

$('.dropdown-lg .btn').on('click', function (event) {
    $(this).parent().toggleClass('open');
});

To Close Dropdown (when clicking on Body):

$('body').on('click', function (e) {
    if (!$('.dropdown-lg').is(e.target) 
        && $('.dropdown-lg').has(e.target).length === 0 
        && $('.open').has(e.target).length === 0
    ) {
        $('.dropdown-lg').removeClass('open');
    }
});

For a demonstration, check out this Updated fiddle. I hope this solution proves helpful to you. Thank you.

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