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author | julieng <julien.gattelier@gmail.com> | 2021-10-02 17:20:14 +0200 |
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committer | SphinxKnight <SphinxKnight@users.noreply.github.com> | 2021-10-02 17:30:20 +0200 |
commit | c05efa8d7ae464235cf83d7c0956e42dc6974103 (patch) | |
tree | 6ea911b2f2010f63a026de6bb7a1a51e7690a7e1 /files/fr/web/api/element/hasattribute/index.md | |
parent | 13a5e017558b248ee1647d4a5825f183b51f09ad (diff) | |
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diff --git a/files/fr/web/api/element/hasattribute/index.md b/files/fr/web/api/element/hasattribute/index.md new file mode 100644 index 0000000000..5c90c03771 --- /dev/null +++ b/files/fr/web/api/element/hasattribute/index.md @@ -0,0 +1,77 @@ +--- +title: element.hasAttribute +slug: Web/API/Element/hasAttribute +tags: + - API + - DOM + - Element + - Méthode + - Reference +translation_of: Web/API/Element/hasAttribute +--- +<p>{{APIRef("DOM")}}</p> + +<p>La méthode <strong><code>Element.hasAttribute()</code></strong> renvoie une <strong>valeur booléenne</strong> indiquant si l'élément courant possède l'attribut spécifié ou non.</p> + +<h2 id="Syntaxe">Syntaxe</h2> + +<pre class="syntaxbox"><var>var <em>result</em></var> = <em><var>element</var></em>.hasAttribute(<em><var>name</var></em>); +</pre> + +<dl> + <dt><code>result</code></dt> + <dd>récupère la valeur de retour <code>true</code> ou <code>false</code>.</dd> + <dt><code>name</code></dt> + <dd>est une chaine de caractères représentant le nom de l'attribut.</dd> +</dl> + +<h2 id="Exemple">Exemple</h2> + +<pre class="brush:js">var foo = document.getElementById("foo"); +if (foo.hasAttribute("bar")) { + // faire quelque chose +}</pre> + +<h2 id="Notes">Polyfill</h2> + +<pre class="brush:js">;(function(prototype) { + prototype.hasAttribute = prototype.hasAttribute || function(name) { + return !!(this.attributes[name] && + this.attributes[name].specified); + } +})(Element.prototype);</pre> + +<h2 id="Notes">Notes</h2> + +<p>{{DOMAttributeMethods}}</p> + +<h2 id="Sp.C3.A9cification">Spécification</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Spécification</th> + <th scope="col">Statut</th> + <th scope="col">Commentaire</th> + </tr> + <tr> + <td>{{SpecName('DOM WHATWG', '#dom-element-hasattribute', 'Element.hasAttribute()')}}</td> + <td>{{Spec2('DOM WHATWG')}}</td> + <td>Dans {{SpecName('DOM3 Core')}}, déplacé de {{domxref("Node")}} à {{domxref("Element")}}</td> + </tr> + <tr> + <td>{{SpecName('DOM3 Core', 'core.html#ID-ElHasAttr', 'Element.hasAttribute()')}}</td> + <td>{{Spec2('DOM3 Core')}}</td> + <td>Pas de changement par rapport à {{SpecName('DOM2 Core')}}</td> + </tr> + <tr> + <td>{{SpecName('DOM2 Core', 'core.html#ID-ElHasAttr', 'Element.hasAttribute()')}}</td> + <td>{{Spec2('DOM2 Core')}}</td> + <td>Définition initiale.</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + +<p>{{Compat("api.Element.hasAttribute")}}</p> |