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				<tr><td valign="top" class="name">cssRules, CSSRuleList, rules</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">6</span>  IE <span class="emphasis">4</span>  DOM <span class="emphasis">2</span></td>
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					<td valign="top" nowrap class="usage"><p class="literal"></p>
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					<td valign="top" colspan="2" class="description"><p>Une collection d&acute;objets <span class="literal">cssRule</span> (Netscape 6 et IE 5 pour Mac) ou <span class="literal">rule</span> (IE 4 et versions ult&eacute;rieures) qui sont des &eacute;l&eacute;ments d&acute;un objet <span class="literal">styleSheet</span>. La repr&eacute;sentation abstraite du DOM W3C pour cette collection s&acute;appelle objet <span class="literal">CSSRuleList</span>. Vous ne pouvez acc&eacute;der aux &eacute;l&eacute;ments de cette collection que par leur nombre d&acute;index entier, mais vous pouvez lancer une recherche it&eacute;rative dans la collection et passer en revue les propri&eacute;t&eacute;s de chaque objet de r&egrave;gle (comme la propri&eacute;t&eacute; <span class="literal">selectorText</span>) afin de distinguer une r&egrave;gle d&acute;une autre.
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					<td valign="top" colspan="2" class="objectmodelreference"><span class="title">R&eacute;f&eacute;rence de mod&egrave;le d'objet</span></td>
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						<ul><li><span class="literal"></span><span class="literal">document.styleSheets[i].rules</span></li><li><span class="literal"></span><span class="literal">document.styleSheets[i].cssRules</span></li></ul>
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					<td valign="top" colspan="2" class="objectspecificproperties"><span class="title">Propri&eacute;t&eacute;s sp&eacute;cifiques &agrave; l&acute;objet</span></td>
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						<table border="1"><tbody><tr><td><span class="literal">length</span></td>
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					<td valign="top" colspan="2" class="objectspecificmethods"><span class="title">M&eacute;thodes sp&eacute;cifiques &agrave; l&acute;objet</span></td>
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						<table border="1"><tbody><tr><td><span class="literal">item()</span></td>
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					<td valign="top" colspan="2" class="objectspecificeventhandlerproperties"><span class="title">Propri&eacute;t&eacute;s de gestionnaire d&acute;&eacute;v&eacute;nements sp&eacute;cifiques &agrave; l&acute;objet</span></td>
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					<td colspan="2"><p>Aucune. </p>
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				<tr><td valign="top" class="name">length</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">6</span>  IE <span class="emphasis">4</span>  DOM <span class="emphasis">2</span></td>
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					<td valign="top" nowrap class="usage"><p class="literal"></p>
					</td><td valign="top" nowrap class="requirements">Lecture seule</td>
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					<td valign="top" colspan="2" class="description"><p>Renvoie le nombre d'&eacute;l&eacute;ments de la collection, y compris les r&egrave;gles <span class="literal">@</span>.
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					<td valign="top" colspan="2" class="example"><span class="title">Exemple</span></td>
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					<td><span class="programlisting"><pre>var howMany = document.styleSheets[1].cssRules.length;</pre>
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					<td valign="top" colspan="2" class="value"><span class="title">Valeur</span></td>
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					<td colspan="2"><p>Nombre entier. </p>
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		</div><div id="item()">
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				<tr><td valign="top" class="name">item()</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">6</span> IE <span class="emphasis">4</span>  DOM <span class="emphasis">2</span></td>
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					<td valign="top" nowrap class="usage"><p class="literal">item(<span class="replaceable">index</span>)</p>
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					<td valign="top" colspan="2" class="description"><p>Renvoie un objet de r&egrave;gle de feuille de style pour la r&egrave;gle qui correspond &agrave; la valeur d&acute;index dans l&acute;ordre du code source.
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					<td valign="top" colspan="2" class="parameters"><span class="title">Param&egrave;tres</span></td>
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						<ul><li><span class="literal"></span>Un nombre entier &agrave; base z&eacute;ro correspondant &agrave; l&acute;&eacute;l&eacute;ment sp&eacute;cifi&eacute; dans l'ordre du code source (imbriqu&eacute; dans l&acute;objet <span class="literal">styleSheet</span> courant).
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					<td valign="top" colspan="2" class="returnedvalue"><span class="title">Valeur renvoy&eacute;e</span></td>
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					<td colspan="2"><p>R&eacute;f&eacute;rence &agrave; un objet <span class="literal">cssRule</span> ou <span class="literal">rule</span>, selon le mod&egrave;le d&acute;objet. A d&eacute;faut de correspondance avec les param&egrave;tres, la valeur renvoy&eacute;e est <span class="literal">null</span>.
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