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Diffstat (limited to 'files/fr/web/api/document/getelementsbyclassname/index.html')
| -rw-r--r-- | files/fr/web/api/document/getelementsbyclassname/index.html | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/files/fr/web/api/document/getelementsbyclassname/index.html b/files/fr/web/api/document/getelementsbyclassname/index.html index 7296b18b88..43ff0fb18a 100644 --- a/files/fr/web/api/document/getelementsbyclassname/index.html +++ b/files/fr/web/api/document/getelementsbyclassname/index.html @@ -10,20 +10,20 @@ translation_of: Web/API/Document/getElementsByClassName --- <p>{{APIRef("DOM")}}</p> -<p><span id="result_box" lang="fr"><span>Renvoie un objet de type tableau de tous les éléments enfants qui ont tous les noms de classe donnés.</span> <span>Lorsqu'il est appelé sur l'objet document, le document complet est recherché, y compris le nœud racine.</span> <span>Vous pouvez également appeler {{domxref ("Element.getElementsByClassName", "getElementsByClassName ()")}} sur n'importe quel élément;</span> <span>il retournera uniquement les éléments qui sont les descendants de l'élément racine spécifié avec les noms de classes donnés.</span></span></p> +<p>Renvoie un objet de type tableau de tous les éléments enfants qui ont tous les noms de classe donnés. Lorsqu'il est appelé sur l'objet document, le document complet est recherché, y compris le nœud racine. Vous pouvez également appeler {{domxref ("Element.getElementsByClassName", "getElementsByClassName ()")}} sur n'importe quel élément; il retournera uniquement les éléments qui sont les descendants de l'élément racine spécifié avec les noms de classes donnés.</p> -<h2 id="Syntaxe" name="Syntaxe">Syntaxe</h2> +<h2 id="Syntaxe">Syntaxe</h2> <pre class="syntaxbox"><var>var elements</var> = document.getElementsByClassName(<em>names</em>); // or: <var>var elements</var> = rootElement.getElementsByClassName(<em>names</em>);</pre> <ul> - <li><var>elements</var> <span id="result_box" lang="fr"><span>est une {{domxref ("HTMLCollection")}} des éléments trouvés.</span></span></li> + <li><var>elements</var> est une {{domxref ("HTMLCollection")}} des éléments trouvés.</li> <li><var>names</var> est une chaîne représentant le nom de la classe des éléments à trouver.</li> - <li><span id="result_box" lang="fr"><span>getElementsByClassName peut être appelé sur n'importe quel élément, pas seulement sur le document.</span> <span>L'élément sur lequel il est appelé sera utilisé comme racine de la recherche.</span></span></li> + <li>getElementsByClassName peut être appelé sur n'importe quel élément, pas seulement sur le document. L'élément sur lequel il est appelé sera utilisé comme racine de la recherche.</li> </ul> -<h2 id="Exemples" name="Exemples">Exemples</h2> +<h2 id="Exemples">Exemples</h2> <p>Trouve tous les éléments ayant la classe « test » :</p> @@ -40,43 +40,43 @@ translation_of: Web/API/Document/getElementsByClassName <pre class="eval"> document.getElementById('main').getElementsByClassName('test') </pre> -<p><span id="result_box" lang="fr"><span>Nous pouvons également utiliser les méthodes de Array.prototype sur toute {{domxref ("HTMLCollection")}} en passant HTMLCollection comme valeur de la méthode.</span> <span>Ici, nous allons trouver tous les éléments div qui ont une classe de 'test':</span></span></p> +<p>Nous pouvons également utiliser les méthodes de Array.prototype sur toute {{domxref ("HTMLCollection")}} en passant HTMLCollection comme valeur de la méthode. Ici, nous allons trouver tous les éléments div qui ont une classe de 'test':</p> -<pre class="brush: js line-numbers language-js"><code class="language-js"><span class="keyword token">var</span> testElements <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">getElementsByClassName</span><span class="punctuation token">(</span><span class="string token">'test'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="keyword token">var</span> testDivs <span class="operator token">=</span> Array<span class="punctuation token">.</span>prototype<span class="punctuation token">.</span>filter<span class="punctuation token">.</span><span class="function token">call</span><span class="punctuation token">(</span>testElements<span class="punctuation token">,</span> <span class="keyword token">function</span><span class="punctuation token">(</span>testElement<span class="punctuation token">)</span><span class="punctuation token">{</span> - <span class="keyword token">return</span> testElement<span class="punctuation token">.</span>nodeName <span class="operator token">===</span> <span class="string token">'DIV'</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span></code></pre> +<pre class="brush: js">var testElements = document.getElementsByClassName('test'); +var testDivs = Array.prototype.filter.call(testElements, function(testElement){ + return testElement.nodeName === 'DIV'; +});</pre> -<p><span class="comment">XXX writeme == Notes == Une méthode semblable existe pour <code>Element</code></span></p> +<p>XXX writeme == Notes == Une méthode semblable existe pour <code>Element</code></p> -<h2 id="Sp.C3.A9cification" name="Sp.C3.A9cification"><span class="short_text" id="result_box" lang="fr"><span>Obtenir la classe des éléments test</span></span></h2> +<h2 id="Sp.C3.A9cification">Obtenir la classe des éléments test</h2> -<p><span id="result_box" lang="fr"><span>C'est la méthode d'opération la plus couramment utilisée</span></span>.</p> +<p>C'est la méthode d'opération la plus couramment utilisée.</p> -<pre class="line-numbers language-html"><code class="language-html"><span class="tag token"><span class="tag token"><span class="punctuation token"><</span>!doctype</span> <span class="attr-name token">html</span><span class="punctuation token">></span></span> -<span class="tag token"><span class="tag token"><span class="punctuation token"><</span>html</span><span class="punctuation token">></span></span> -<span class="tag token"><span class="tag token"><span class="punctuation token"><</span>head</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>meta</span> <span class="attr-name token">charset</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>UTF-8<span class="punctuation token">"</span></span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>title</span><span class="punctuation token">></span></span>Document<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>title</span><span class="punctuation token">></span></span> -<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>head</span><span class="punctuation token">></span></span> -<span class="tag token"><span class="tag token"><span class="punctuation token"><</span>body</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>div</span> <span class="attr-name token">id</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>parent-id<span class="punctuation token">"</span></span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>p</span><span class="punctuation token">></span></span>hello word1<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>p</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>p</span> <span class="attr-name token">class</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>test<span class="punctuation token">"</span></span><span class="punctuation token">></span></span>hello word2<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>p</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>p</span> <span class="punctuation token">></span></span>hello word3<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>p</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>p</span><span class="punctuation token">></span></span>hello word4<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>p</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"></</span>div</span><span class="punctuation token">></span></span> - <span class="tag token"><span class="tag token"><span class="punctuation token"><</span>script</span><span class="punctuation token">></span></span><span class="language-javascript script token"> - <span class="keyword token">var</span> parentDOM <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">getElementById</span><span class="punctuation token">(</span><span class="string token">"parent-id"</span><span class="punctuation token">)</span><span class="punctuation token">;</span> +<pre class="brush: html"><!doctype html> +<html> +<head> + <meta charset="UTF-8"> + <title>Document</title> +</head> +<body> + <div id="parent-id"> + <p>hello word1</p> + <p class="test">hello word2</p> + <p >hello word3</p> + <p>hello word4</p> + </div> + <script> + var parentDOM = document.getElementById("parent-id"); - <span class="keyword token">var</span> test<span class="operator token">=</span>parentDOM<span class="punctuation token">.</span><span class="function token">getElementsByClassName</span><span class="punctuation token">(</span><span class="string token">"test"</span><span class="punctuation token">)</span><span class="punctuation token">;</span><span class="comment token">//test is not target element</span> - console<span class="punctuation token">.</span><span class="function token">log</span><span class="punctuation token">(</span>test<span class="punctuation token">)</span><span class="punctuation token">;</span><span class="comment token">//HTMLCollection[1]</span> + var test=parentDOM.getElementsByClassName("test");//test is not target element + console.log(test);//HTMLCollection[1] - <span class="keyword token">var</span> testTarget<span class="operator token">=</span>parentDOM<span class="punctuation token">.</span><span class="function token">getElementsByClassName</span><span class="punctuation token">(</span><span class="string token">"test"</span><span class="punctuation token">)</span><span class="punctuation token">[</span><span class="number token">0</span><span class="punctuation token">]</span><span class="punctuation token">;</span><span class="comment token">//here , this element is target</span> - console<span class="punctuation token">.</span><span class="function token">log</span><span class="punctuation token">(</span>testTarget<span class="punctuation token">)</span><span class="punctuation token">;</span><span class="comment token">//<p class="test">hello word2</p></span> - </span><span class="tag token"><span class="tag token"><span class="punctuation token"></</span>script</span><span class="punctuation token">></span></span> -<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>body</span><span class="punctuation token">></span></span> -<span class="tag token"><span class="tag token"><span class="punctuation token"></</span>html</span><span class="punctuation token">></span></span></code></pre> + var testTarget=parentDOM.getElementsByClassName("test")[0];//here , this element is target + console.log(testTarget);//<p class="test">hello word2</p> + </script> +</body> +</html></pre> <h2 id="Compatibilité_des_navigateurs">Compatibilité des navigateurs</h2> @@ -85,8 +85,8 @@ translation_of: Web/API/Document/getElementsByClassName -<h2 id="Specification" name="Specification">Spécification</h2> +<h2 id="Specification">Spécification</h2> <ul> - <li><a href="https://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#dom-document-getelementsbyclassname" title="https://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#dom-document-getelementsbyclassname"><span class="external external-icon">W3C: getElementsByClassName</span></a></li> + <li><a href="https://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#dom-document-getelementsbyclassname">W3C: getElementsByClassName</a></li> </ul> |