scratch/output/Scratch/fr/blog/2009-10-Wait-to-hide-a-menu-in-jQuery/index.html

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<link rel="alternate" lang="fr" xml:lang="fr" title="Un menu qui attends avant de se cacher" type="text/html" hreflang="fr" href="/Scratch/fr/blog/2009-10-Wait-to-hide-a-menu-in-jQuery/" />
<link rel="alternate" lang="en" xml:lang="en" title="Menu waiting to hide himself" type="text/html" hreflang="en" href="/Scratch/en/blog/2009-10-Wait-to-hide-a-menu-in-jQuery/" />
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<title>Un menu qui attends avant de se cacher</title>
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<body lang="fr" class="article">
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<script type="text/javascript">// <![CDATA[
document.write('<div id="blackpage"><img src="/Scratch/img/loading.gif" alt="Chargement en cours..."/></div>');
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// ]]>
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<div id="content">
<div id="choix">
<div class="return"><a href="#entete">&darr; Menu &darr;</a></div>
<div id="choixlang">
<a href="/Scratch/en/blog/2009-10-Wait-to-hide-a-menu-in-jQuery/" onclick="setLanguage('en')">in English</a>
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<div class="flush"></div>
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<div id="titre">
<h1>
Un menu qui attends avant de se cacher
</h1>
</div>
<div class="flush"></div>
<div class="flush"></div>
<div id="afterheader">
<div class="corps">
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<p>Jai déjà dit pourquoi <a href="/Scratch/fr/blog/2009-10-Focus-vs-Minimalism">je préférais que mon menu de navigation soit caché</a>. Jai finalement décidé dattendre un peu avant de cacher le menu. Juste le temps que lutilisateur le voit. Mais voilà. Comment faire pour quil ne disparaisse que lorsque lon ne sen sert pas pendant un petit moment&nbsp;?</p>
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<p>Voici la solution que jutilise avec jQuery</p>
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<p>HTML&nbsp;: </p>
<div>
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<pre><code class="html"> &lt;div id="menuButton"&gt;&lt;/div&gt;
&lt;div id="entete"&gt;
&lt;ul&gt;
&lt;li&gt; menu item 1 &lt;/li&gt;
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...
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&lt;li&gt; menu item n &lt;/li&gt;
&lt;/ul&gt;
&lt;/div&gt;
</code></pre>
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</div>
<p>CSS&nbsp;: </p>
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<div>
<pre><code class="css"> #entete {
top: 1em;
left: 0;
position: fixed;
width: 10em;
z-index: 2000; }
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#entete {
top: 1em;
height: 22em;
left: 0;
position: fixed;
width: 10em; }
</code></pre>
</div>
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<p>Javascript&nbsp;: </p>
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<div>
<pre><code class="javascript">var last=0;
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// will hide the menu in 5 seconds
// if the variable 'last' has not changed its value
function autoHideMenu(value) {
setTimeout(function(){
if ( last == value ) { hideMenu(); }
},5000);
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}
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$(document).ready( function() {
// show the menu when the mouse is on
// the good area
$('#menuButton').hover(showMenu);
// If the mouse is on the menu change the
// value of 'last'
// try to hide the menu when the mouse
// go out off the menu.
$('#entete').hover(
function(){last+=1;},
function(){autoHideMenu(last);} );
autoHideMenu(0);
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});
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// show / hide menu functions details
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// move to the left
function hideMenu() {
$('#entete').animate({left:"-10em"}, 500 );
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}
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// move to right and will try to hide in 5 sec.
function showMenu() {
$('#entete').animate({left:"0em"}, 500 );
last+=1;
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autoHideMenu(last);
}
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</code></pre>
</div>
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<p>Simple et peu gourmand en ressources. Pas de timer (ou presque), pas de fuite de mémoire, pas dutilisation de date…</p>
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<a href="/Scratch/fr/blog/2009-10-launch-daemon-from-command-line/"><span class="nicer">«</span>&nbsp;lancer un démon en ligne de commande</a>
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Écrit le : 26/10/2009
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modifié le : 20/04/2011
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