Bootstrap Snippet Bootstrap NavBar Menu Dropdowns using HTML CSS jQuery

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<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="navbar navbar-expand-md navbar-dark bg-dark mb-4" role="navigation">
    <a class="navbar-brand" href="#">Bootstrap 4 NavBar</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarCollapse">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item active">
                <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://fontenele.github.io/bootstrap-navbar-dropdowns/" target="_blank">Github</a>
            </li>
            <li class="nav-item">
                <a class="nav-link disabled" href="#">Disabled</a>
            </li>
            <li class="nav-item dropdown">
                <a class="nav-link dropdown-toggle" id="dropdown1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown1</a>
                <ul class="dropdown-menu" aria-labelledby="dropdown1">
                    <li class="dropdown-item" href="#"><a>Action 1</a></li>
                    <li class="dropdown-item dropdown">
                        <a class="dropdown-toggle" id="dropdown1-1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown1.1</a>
                        <ul class="dropdown-menu" aria-labelledby="dropdown1-1">
                            <li class="dropdown-item" href="#"><a>Action 1.1</a></li>
                            <li class="dropdown-item dropdown">
                                <a class="dropdown-toggle" id="dropdown1-1-1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown1.1.1</a>
                                <ul class="dropdown-menu" aria-labelledby="dropdown1-1-1">
                                    <li class="dropdown-item" href="#"><a>Action 1.1.1</a></li>
                                </ul>
                            </li>
                        </ul>
                    </li>
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.navbar .dropdown-toggle, .navbar .dropdown-menu a {
    cursor: pointer;
}
.navbar .dropdown-item.active, .navbar .dropdown-item:active {
    color: inherit;
    text-decoration: none;
    background-color: inherit;
}
.navbar .dropdown-item:focus, .navbar .dropdown-item:hover {
    color: #16181b;
    text-decoration: none;
    background-color: #f8f9fa;
}
@media (min-width: 767px) {
    .navbar .dropdown-toggle:not(.nav-link)::after {
        display: inline-block;
        width: 0;
        height: 0;
        margin-left: .5em;
        vertical-align: 0;
        border-bottom: .3em solid transparent;
        border-top: .3em solid transparent;
        border-left: .3em solid;
    }
}
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$(document).ready(function () {
    $('.navbar .dropdown-item').on('click', function (e) {
        var $el = $(this).children('.dropdown-toggle');
        var $parent = $el.offsetParent(".dropdown-menu");
        $(this).parent("li").toggleClass('open');
        if (!$parent.parent().hasClass('navbar-nav')) {
            if ($parent.hasClass('show')) {
                $parent.removeClass('show');
                $el.next().removeClass('show');
                $el.next().css({"top": -999, "left": -999});
            } else {
                $parent.parent().find('.show').removeClass('show');
                $parent.addClass('show');
                $el.next().addClass('show');
                $el.next().css({"top": $el[0].offsetTop, "left": $parent.outerWidth() - 4});
            }
            e.preventDefault();
            e.stopPropagation();
        }
    });
    $('.navbar .dropdown').on('hidden.bs.dropdown', function () {
        $(this).find('li.dropdown').removeClass('show open');
        $(this).find('ul.dropdown-menu').removeClass('show open');
    });
});
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"Bootstrap NavBar Menu Dropdowns"
Bootstrap 4.1.1 Snippet by jaka1043

Related: See More

Questions / Comments:

"Bootstrap NavBar Menu Dropdowns" Bootstrap 4.1.1 Snippet by jaka1043

Related: See More

Questions / Comments:

"Bootstrap NavBar Menu Dropdowns"
Bootstrap 4.1.1 Snippet by jaka1043