Menu Dropdown Toggle

Menu Dropdown Toggle

Neste tutorial veja como criar um Menu Dropdown Toggle

Nesta seção, projetaremos uma estrutura simples na tag <nav>, <ul>, <li> e a <href> para inserir link de destino. 

Essas são as tags que usaremos para criar o nosso menu dropdown toggle com html, css e jquery.

Vamos Adicionar o HTML

        <nav role="navigation" class="menu">
            
            <ul class="menu-items">
                
                <li class="menu-item">
                    <a href="#" class="menu-link" title="Home"><span>Home</span></a>
                </li> 
                
                <li class="menu-item dropdown">
                    <a href="#" class="menu-link" title="Front-end"><span>Front-end +</span></a>
                    <nav class="submenu">
                        <ul class="submenu-items">
                            <li class="submenu-item"><a href="#" class="submenu-link">Html</a></li>
                            <li class="submenu-item"><a href="#" class="submenu-link">Css</a></li>
                            <li class="submenu-item"><a href="#" class="submenu-link">Jquery</a></li>
                        </ul>
                    </nav>
                </li> 

                <li class="menu-item">
                    <a href="#" class="menu-link" title="Artigos"><span>Artigos</span></a>
                </li>
                
                <li class="menu-item">
                    <a href="#" class="menu-link" title="Sobre"><span>Sobre</span></a>
                </li> 

                <li class="menu-item">
                    <a href="#" class="menu-link" title="Contato"><span>contato</span></a>
                </li>

            </ul>

        </nav>

Vamos Adicionar o CSS

Nesta seção, usaremos algumas propriedades CSS para estilizar e animar o nosso dropdown toggle com html, css e jquery.

.menu {

    font-family: 'open_sansregular';
    font-size: 16px;

}

.menu-items {

    padding: 0;
    list-style: none;

}

.menu-item {
    
    display: inline-block;
    margin-right: 25px;

}

.menu-item:last-child {

    margin-right: 0;

}

.menu-link,
.menu-link:link, 
.menu-link:visited, 
.menu-link:active,
.submenu-link,
.submenu-link:link, 
.submenu-link:visited, 
.submenu-link:active {
   
    display: block;
    position: relative;
    font-size: 14px;
    letter-spacing: 1px;
    cursor: pointer;
    text-decoration: none;
    outline: none;

}

.menu-link,
.menu-link:link, 
.menu-link:visited, 
.menu-link:active {

    color: #242424;
    font-weight: bold;

}

.menu-link::before {

    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #0055f7;
    opacity: 0;
    -webkit-transform: translate(0, 10px);
    transform: translate(0, 10px);
    transition: opacity 0.3s ease, transform 0.3s ease;

}

.menu-link:hover::before,
.menu-link:hover::before {

    opacity: 1;
    -webkit-transform: translate(0, 5px);
    transform: translate(0, 5px);

}

.dropdown {

    position: relative;

}

.dropdown .menu-link {

    padding-right: 15px;
    height: 17px;
    line-height: 17px;

}

.dropdown .menu-link::after {
    content: "";
    position:absolute;
    top: 6px;
    right: 0;
    border: 5px solid transparent;
    border-top-color: #fff;
}

.submenu {

    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 100;
    width: 200px;
    margin-left: -100px;
    background: #fff;
    border-radius: 3px;
    line-height: 1.46667;
    margin-top: -5px;
    box-shadow: 0 0 8px rgba(0,0,0,.3);
    opacity:0;
    -webkit-transform: translate(0, 0) scale(.85);
    transform: translate(0, 0)scale(.85);
    transition: transform 0.1s ease-out, opacity 0.1s ease-out;
    pointer-events: none;

}

.submenu::after, 
.submenu::before {

    content: ""; 
    position: absolute;
    bottom: 100%;
    left: 50%;
    margin-left: -10px;
    border: 10px solid transparent;
    height: 0;

}

.submenu::after {
    border-bottom-color: #fff;
}

.submenu::before {

    margin-left: -13px;
    border: 13px solid transparent;
    border-bottom-color: rgba(0,0,0,.1);
    -webkit-filter:blur(1px);
    filter:blur(1px);

}

.submenu-items {

    list-style: none;
    padding: 10px 0;

}

.submenu-item {

    display: block;
    text-align: left;

}

.submenu-link,
.submenu-link:link, 
.submenu-link:visited, 
.submenu-link:active {

    color: #242424;
    font-weight: bold;
    padding: 10px 20px;

}

.submenu-link:hover {

    color: #0055f7;

}

.submenu-seperator {

    height: 0;
    margin: 12px 10px;
    border-top: 1px solid #eee;

}

.show-submenu .submenu {

    opacity: 1;
    -webkit-transform: translate(0, 25px) scale(1);
    transform: translate(0, 25px) scale(1);
    pointer-events: auto;

}

Vamos Adicionar o Scritpt para dar o efeito Toggle

OBS: não esqueça de linkar o jquery.js

exemplo:

<script src="js/jquery.js"></script>

<script>
    
    [].slice.call(document.querySelectorAll('.dropdown .menu-link')).forEach(function(el){

        el.addEventListener('click', onClick, false);

    });


    function onClick(e){
        e.preventDefault();
        var el = this.parentNode;
        el.classList.contains('show-submenu') ? hideSubMenu(el) : showSubMenu(el);
    }

    function showSubMenu(el){
        el.classList.add('show-submenu');
        document.addEventListener('click', function onDocClick(e){
            e.preventDefault();
            if(el.contains(e.target)){
                return;
            }
            document.removeEventListener('click', onDocClick);
            hideSubMenu(el);
        });
    }

    function hideSubMenu(el){
        el.classList.remove('show-submenu');
    }

</script>

Combinando as Três seções acima Html Css e jquery temos o seguinte Resultado!

Veja o Resultado baixo!

Baixar Código Veja Funcionando