javascript - Jquery menu not hiding on mouse leave -

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i have following menu (which icon needs display drop down menu. can menu show , hide toggle, when that, try move displayed links closes, if trigger on hover with add class, cant menu go away. have way smoothly show , hide menu on mouse on , click?

   <div id="global_menu">         <span id="show_global_menu" class="icons_large">(</span>              <ul id="dropdown" class="hidden">                  <span class="arrow-u" style="margin-top:-8px;"></span>                  <li> @ajax.actionlink("icon legend", "font_legend", null, new ajaxoptions {           updatetargetid = "placeholder_extra1", insertionmode = insertionmode.replace, httpmethod = "get" }, new { @class = "" })</li>                 <li><a href="../home/index" title="sign out">sign out</a></li>                 <li>support</li>             </ul> </div>     <script>        $(document).ready(function () {            if ($("ul#dropdown").hasclass("hidden")) {                $("span#show_global_menu").hover(function () {                    $("ul#dropdown").slidedown("slow");                });            };        $("ul#dropdown").hover(function(){            $("ul#dropdown").mouseout(function () {                $("ul#dropdown").addclass("hidden");            });        });       });  </script>

use it:

<script>    $(document).ready(function () {        if ($("ul#dropdown").hasclass("hidden")) {            $("span#show_global_menu").hover(function () {                $("ul#dropdown").slidedown("slow");            });        };         $("ul#dropdown").mouseleave(function () {            $("ul#dropdown").slideup('slow');        });   }); </script>

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