Problem with dropdown submenus in jquery

Question

I create drop-down submenus with jquery, but when I hover over any of the main navigation links, all the submenus drop out. I believe that I need to do something with help this(), but I cannot get the syntax correctly. Here's the fiddle http://jsfiddle.net/xzN5G/

Here is my html

<nav id="nav">
    <ul class="nav">
        <li class="mainli"><a href="" class="selected">Home</a>
            <ul class="submenu">
                <li>s1111111</li>
                <li>a2222222</li>
                <li>g3333333</li>
                <li>y4444444</li>
            </ul>
        </li>    
        <li class="mainli"><a href="album.html">My Photos</a>
            <ul class="submenu">
                <li>11111111</li>
                <li>22222222</li>
                <li>33333333</li>
                <li>44444444</li>
            </ul>
        </li>
        <li class="mainli"><a href="travel.html">My Travel</a>
            <ul class="submenu">
                <li>aaaaaaaaaa</li>
                <li>bbbbbbbbbb</li>
                <li>cccccccccc</li>
                <li>dddddddddd</li>
            </ul>
        </li>
        <li class="mainli"><a href="aboutwork.html">About Work</a>
            <ul class="submenu">
                <li>rgre1111</li>
                <li>estg22</li>
                <li>thser3333</li>
                <li>rtyr4444</li>
            </ul>
        </li>
        <li class="mainli"><a href="portfolio.html">My Portfolio</a>
            <ul class="submenu">
                <li>qqqqqqqq</li>
                <li>tttttttt</li>
                <li>ppppppppp</li>
                <li>yyyyyyyyyy</li>
            </ul>
        </li>
        <li class="mainli"><a href="contact.html">Contact Me</a>
            <ul class="submenu">
                <li>99999999</li>
                <li>88888888</li>
                <li>77777777</li>
                <li>66666666</li>
            </ul>
        </li>
    </ul>
</nav>  

and my jquery

$(document).ready(function(){
    $(".mainli").hover(function() {
        $(".submenu").slideDown("medium");
    }, function () {
        $(".submenu").slideUp("medium");
    })
});

Answer 1

You need to find it .submenuinside $(this), the method find()will do it for you. children()will work in your case if it .submenuis a direct child this(). find(), on the other hand, a search in all descendants (aka children, grandchildren, etc.)

fastest children() find() jQuery?

$(document).ready(function () {
    // $(".submenu").slideUp("medium");
    $(".mainli").hover(function () {
        $(this).find(".submenu").slideDown("medium");
    },

    function () {
        $(this).find(".submenu").slideUp("medium");
    });
});

, , $(".submenu").slideUp("medium");, .

Answer 2

.find() .submenu display: none, :

$(document).ready(function() {
  $(".mainli").hover(function() {
    $(this).find(".submenu").slideDown("medium");
  },
  function() {
    $(this).find(".submenu").slideUp("medium");
  }
  );
});

. DEMO.

Answer 3

, , :

$(document).ready(function(){
    $('.submenu').slideUp();
    $(".mainli").hover(function() {
        $(this).children('.submenu').slideDown("medium");
    },
    function () {
        $(this).children('.submenu').slideUp("medium");
    });
});

http://jsfiddle.net/VAYxh/4/

Answer 4

http://jsfiddle.net/xzN5G/4/

$(".submenu", this)

. , CSS .submenu { display: none; }

Answer 5

, , , , , .

See fiddle .

Updated by JS.

$(document).ready(function () {
    $(".mainli").hover(function () {
        var target = $(this).find('.submenu');
        if (target.is(':hidden')) {
            target.slideDown("medium");
        } else {
            target.hide();
        }
    });
});

CSS added

ul.submenu {
    float: right;
    display:none;
    overflow:hidden;
}