JSFiddle - React, Tailwind, and code Playground

by dmyasnykov

HTML

<ul class="nav">
          <li class="button-dropdown">
            <a href="http://google.com" class="dropdown-toggle">
              Dropdown 1 <span>▼</span>
            </a>
                    <ul class="dropdown-menu">
                      <li>
                        <a href="#">
                          Drop Item 1
                        </a>
                      </li>
                      <li>
                        <a href="#">
                          Drop Item 2
                        </a>
                      </li>
                      <li>
                        <a href="#">
                          Drop Item 3
                        </a>
                      </li>
                    </ul>
          </li>
          <li class="button-dropdown">
                <a href="http://ya.ru" class="dropdown-toggle">
                  Dropdown 2 <span>▼</span>
                </a>
                        <ul class="dropdown-menu">
                          <li>
                            <a href="#">
                              Drop Item 1
                            </a>
                          </li>
                          <li>
                            <a href="#">
                              Drop Item 2
                            </a>
                          </li>
                          <li>
                            <a href="#">
                              Drop Item 3
                            </a>
                          </li>
                        </ul>
          </li>
              <li class="button-dropdown">
                  <a href="http://rambler.ru" class="dropdown-toggle">
                    Dropdown 3 <span>▼</span>
                  </a>
                          <ul class="dropdown-menu">
                            <li>
                              <a href="#">
                                Drop Item 1
                              </a>
                            </li>
                          ...

CSS

body {
    background-color: #eee;
    text-align: center;
    padding-top: 50px;
}

.nav {
    display: block;
    font: 13px Helvetica, Tahoma, serif;
    text-transform: uppercase;
    margin: 0; 
    padding: 0;
}

.nav li {
    display: inline-block;
    list-style: none;
}

.nav .button-dropdown {
    position: relative;
}

.nav li a {
    display: block;
    color: #333;
    background-color: #fff;
    padding: 10px 20px;
    text-decoration: none;
}

.nav li a span {
    display: inline-block;
    margin-left: 5px;
    font-size: 10px;
    color: #999;
}

.nav li a:hover, .nav li a.dropdown-toggle.active {
    background-color: #289dcc;
    color: #fff;
}

.nav li a:hover span, .nav li a.dropdown-toggle.active span {
    color: #fff;
}

.nav li .dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    padding: 0;
    margin: 0;
    margin-top: 3px;
    text-align: left;
}

.nav li .dropdown-menu.active {
    display: block;
}

.nav li .dropdown-menu a {
    width: 150px;
}

JavaScript

var used;
$(".dropdown-toggle").on("click", function(){
    if( used !== this) used = this, e.preventDefault();
}




jQuery(document).ready(function (e) {
    function t(t) {
        e(t).bind("click", function (t) {
            t.preventDefault();
            e(this).parent().fadeOut()
        })
    }
    e(".dropdown-toggle").click(function () {
        var t = e(this).parents(".button-dropdown").children(".dropdown-menu").is(":hidden");
        e(".button-dropdown .dropdown-menu").hide();
        e(".button-dropdown .dropdown-toggle").removeClass("active");
        if (t) {
            e(this).parents(".button-dropdown").children(".dropdown-menu").toggle().parents(".button-dropdown").children(".dropdown-toggle").addClass("active")
        }
    });
    e(document).bind("click", function (t) {
        var n = e(t.target);
        if (!n.parents().hasClass("button-dropdown")) e(".button-dropdown .dropdown-menu").hide();
    });
    e(document).bind("click", function (t) {
        var n = e(t.target);
        if (!n.parents().hasClass("button-dropdown")) e(".button-dropdown .dropdown-toggle").removeClass("active");
    })
});