jueves, 30 de mayo de 2013

Menu Dropdown con jQuery

Menu Dropdown con jQuery, ejemplo que se puede adaptar segín necesidad.

<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Dropdown menu | WiMarBueno</title>
        <link rel="shortcut icon" href="http://wimarbueno.com/favicon.ico?1904201303" type="image/vnd.microsoft.icon" />
        <meta name="description" content="Desarrollo de Dropdown menu con el Framework jQuery, CSS" />
        <meta name="keywords" content="jQuery, JavaScript, CSS" />  
        <script src="http://code.jquery.com/jquery-1.10.0.min.js"></script>
        <style type="text/css">
            ul.topnav {
                list-style: none;
                padding: 0 20px;    
                margin: 0;
                float: left;
                width: 920px;
                background: #222;
                font-size: 1.2em;
                background: #333333;
            }
            ul.topnav li {
                float: left;
                margin: 0;    
                padding: 0 15px 0 0;
                position: relative; /*--Declare X and Y axis base for sub navigation--*/
            }
            ul.topnav li a{
                padding: 10px 5px;
                color: #fff;
                display: block;
                text-decoration: none;
                float: left;
            }
            ul.topnav li a:hover{
                background: #222222;
            }
            ul.topnav li span { /*--Drop down trigger styles--*/
                width: 17px;
                height: 35px;
                float: left;
                background: green;
            }
            ul.topnav li span.subhover {background-position: center bottom; cursor: pointer;} /*--Hover effect for trigger--*/
            ul.topnav li ul.subnav {
                list-style: none;
                position: absolute; /*--Important - Keeps subnav from affecting main navigation flow--*/
                left: 0; top: 35px;
                background: #333;
                margin: 0; padding: 0;
                display: none;
                float: left;
                width: 170px;
                border: 1px solid #111;
            }
            ul.topnav li ul.subnav li{
                margin: 0; padding: 0;
                border-top: 1px solid #252525; /*--Create bevel effect--*/
                border-bottom: 1px solid #444; /*--Create bevel effect--*/
                clear: both;
                width: 170px;
            }
            html ul.topnav li ul.subnav li a {
                float: left;
                width: 145px;
                background: #333 ;
                padding-left: 20px;
            }
            html ul.topnav li ul.subnav li a:hover { /*--Hover effect for subnav links--*/
                background: #222  ; 
            }
        </style>

        <script type="text/javascript">
            jQuery(document).ready(function($) {
                $("ul.subnav").parent().append("<span></span>"); //Only shows drop down trigger when js is enabled (Adds empty span tag after ul.subnav*)

                $("ul.topnav li span").click(function() { //When trigger is clicked...

                    //Following events are applied to the subnav itself (moving subnav up and down)
                    $(this).parent().find("ul.subnav").slideDown('fast').show(); //Drop down the subnav on click

                    $(this).parent().hover(function() {
                    }, function() {
                        $(this).parent().find("ul.subnav").slideUp('slow'); //When the mouse hovers out of the subnav, move it back up
                    });

                    //Following events are applied to the trigger (Hover events for the trigger)
                }).hover(function() {
                    $(this).addClass("subhover"); //On hover over, add class "subhover"
                }, function() {    //On Hover Out
                    $(this).removeClass("subhover"); //On hover out, remove class "subhover"
                });
            });
        </script>
    </head>
    <body>
        <div style="width: 600px;margin: 0 auto;position: relative;">
            <header>
                <nav>
                    <ul class="topnav">
                        <li><a href="#">Home</a></li>
                        <li>
                            <a href="#">Tutorials</a>
                            <ul class="subnav">
                                <li><a href="#">Sub Nav Link</a></li>
                                <li><a href="#">Sub Nav Link</a></li>
                            </ul>
                        </li>
                        <li>
                            <a href="#">Resources</a>
                            <ul class="subnav">
                                <li><a href="#">Sub Nav Link</a></li>
                                <li><a href="#">Sub Nav Link</a></li>
                            </ul>
                        </li>
                        <li><a href="#">About Us</a></li>
                        <li><a href="#">Advertise</a></li>
                        <li><a href="#">Submit</a></li>
                        <li><a href="#">Contact Us</a></li>
                    </ul>
                </nav>
            </header>
            <section>
                <br/>
                <br/>
                <p>Ejemplo de menu Dropdown con jQuery...</p>
            </section>
            <footer>                
                <p>Desarrollado por <a href="http://wimarbueno.com/" target="_blank" title="WiMarBueno.com">WiMarBueno.com</a> ;) 2013</p>
            </footer>
        </div>
    </body>
</html>


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