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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/fr/web/api/event/eventphase | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/fr/web/api/event/eventphase/index.html b/files/fr/web/api/event/eventphase/index.html new file mode 100644 index 0000000000..439f769f0a --- /dev/null +++ b/files/fr/web/api/event/eventphase/index.html @@ -0,0 +1,196 @@ +--- +title: Event.eventPhase +slug: Web/API/Event/eventPhase +tags: + - API + - DOM + - Evènement + - Flux + - Phase + - Propriétés +translation_of: Web/API/Event/eventPhase +--- +<p>{{ApiRef("DOM")}}</p> + +<p>Indique quelle phase du flux d'événements est actuellement évaluée.</p> + +<h2 id="Syntaxe">Syntaxe</h2> + +<pre class="brush: js"><em>var phase</em> = event.eventPhase; +</pre> + +<p>Retourne un entier qui spécifie la phase courante d'évaluation du flux d'événements. Les valeurs possibles sont listées dans {{anch("Constantes de phase d'événement")}}.</p> + +<h2 id="Constantes">Constantes</h2> + +<h3 id="Constantes_de_phase_d'événement"><a id="Constantes de phase d'événement" name="Constantes de phase d'événement"></a>Constantes de phase d'événement</h3> + +<p>Ces valeurs décrivent quelle est la phase du flux d'événements actuellement évalué.</p> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Constant</th> + <th scope="col">Value</th> + <th scope="col">Description</th> + </tr> + </thead> + <tbody> + <tr> + <td><code>Event.NONE</code></td> + <td>0</td> + <td> + <p>Aucun événement n'est actuellement traité.</p> + </td> + </tr> + <tr> + <td><code>Event.CAPTURING_PHASE</code></td> + <td>1</td> + <td> + <p>L'événement se propage à travers les objets ancêtres de la cible. Ce processus commence avec {{domxref("Window")}}, puis {{domxref("Document")}}, ensuite {{domxref("HTMLHtmlElement")}} et ainsi de suite à travers les éléments jusqu'à ce que le parent de la cible soit atteint. {{domxref("EventListener", "Event listeners", "", 1)}} sont enregistrés pour le mode capture lorsque {{domxref("EventTarget.addEventListener()")}} est appelé durant cette phase.</p> + </td> + </tr> + <tr> + <td><code>Event.AT_TARGET</code></td> + <td>2</td> + <td>L'événement est arrivé à {{domxref("EventTarget", "the event's target", "", 1)}}. Les écouteurs d'événements enregistrés pour cette phase sont appelés à ce moment. Si {{domxref("Event.bubbles")}} vaut <code>false</code> (<em>faux</em>), le traitement de l'événement est terminé une fois la phase complète.</td> + </tr> + <tr> + <td><code>Event.BUBBLING_PHASE</code></td> + <td>3</td> + <td>L'événement se propage à rebours à travers les ancêtres de la cible dans l'ordre inverse, commençant avec le parent, et atteignant finalement le contenant {{domxref("Window")}}. Ceci est connu comme propagation et arrive seulement si {{domxref("Event.bubbles")}} vaut <code>true</code> (<em>vrai</em>). Les {{domxref("EventListener", "Event listeners", "", 1)}} enregistrés pour cette phase sont déclenchés durant ce traitement.</td> + </tr> + </tbody> +</table> + +<p>Pour plus de détails, voir <a class="external" href="http://www.w3.org/TR/DOM-Level-3-Events/#event-flow">section 3.1, Event dispatch and DOM event flow</a> (en) de la spécification du DOM niveau 3 sur les évènements .</p> + +<h2 id="Example" name="Example">Exemple</h2> + +<h3 id="HTML">HTML</h3> + +<pre class="brush: html"><h4>Event Propagation Chain</h4> +<ul> + <li>Click 'd1'</li> + <li>Analyse event propagation chain</li> + <li>Click next div and repeat the experience</li> + <li>Change Capturing mode</li> + <li>Repeat the experience</li> +</ul> +<input type="checkbox" id="chCapture" /> +<label for="chCapture">Use Capturing</label> + <div id="d1">d1 + <div id="d2">d2 + <div id="d3">d3 + <div id="d4">d4</div> + </div> + </div> + </div> + <div id="divInfo"></div> +</pre> + +<h3 id="CSS">CSS</h3> + +<pre class="brush: css">div { + margin: 20px; + padding: 4px; + border: thin black solid; +} + +#divInfo { + margin: 18px; + padding: 8px; + background-color:white; + font-size:80%; +}</pre> + +<h3 id="JavaScript">JavaScript</h3> + +<pre class="brush: js line-numbers language-js"><code class="language-js"><span class="keyword token">var</span> clear <span class="operator token">=</span> <span class="keyword token">false</span><span class="punctuation token">,</span> divInfo <span class="operator token">=</span> <span class="keyword token">null</span><span class="punctuation token">,</span> divs <span class="operator token">=</span> <span class="keyword token">null</span><span class="punctuation token">,</span> useCapture <span class="operator token">=</span> <span class="keyword token">false</span><span class="punctuation token">;</span> +window<span class="punctuation token">.</span>onload <span class="operator token">=</span> <span class="keyword token">function</span> <span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + divInfo <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">"divInfo"</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + divs <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">getElementsByTagName</span><span class="punctuation token">(</span><span class="string token">'div'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + chCapture <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">"chCapture"</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + chCapture<span class="punctuation token">.</span>onclick <span class="operator token">=</span> <span class="keyword token">function</span> <span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="function token">RemoveListeners</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + <span class="function token">AddListeners</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + <span class="punctuation token">}</span> + <span class="function token">Clear</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + <span class="function token">AddListeners</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span> +<span class="punctuation token">}</span> + +<span class="keyword token">function</span> <span class="function token">RemoveListeners</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">for</span> <span class="punctuation token">(</span><span class="keyword token">var</span> i <span class="operator token">=</span> <span class="number token">0</span><span class="punctuation token">;</span> i <span class="operator token"><</span> divs<span class="punctuation token">.</span>length<span class="punctuation token">;</span> i<span class="operator token">++</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">var</span> d <span class="operator token">=</span> divs<span class="punctuation token">[</span>i<span class="punctuation token">]</span><span class="punctuation token">;</span> + <span class="keyword token">if</span> <span class="punctuation token">(</span>d<span class="punctuation token">.</span>id <span class="operator token">!=</span> <span class="string token">"divInfo"</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + d<span class="punctuation token">.</span><span class="function token">removeEventListener</span><span class="punctuation token">(</span><span class="string token">"click"</span><span class="punctuation token">,</span> OnDivClick<span class="punctuation token">,</span> <span class="keyword token">true</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + d<span class="punctuation token">.</span><span class="function token">removeEventListener</span><span class="punctuation token">(</span><span class="string token">"click"</span><span class="punctuation token">,</span> OnDivClick<span class="punctuation token">,</span> <span class="keyword token">false</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + <span class="punctuation token">}</span> + <span class="punctuation token">}</span> +<span class="punctuation token">}</span> + +<span class="keyword token">function</span> <span class="function token">AddListeners</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">for</span> <span class="punctuation token">(</span><span class="keyword token">var</span> i <span class="operator token">=</span> <span class="number token">0</span><span class="punctuation token">;</span> i <span class="operator token"><</span> divs<span class="punctuation token">.</span>length<span class="punctuation token">;</span> i<span class="operator token">++</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">var</span> d <span class="operator token">=</span> divs<span class="punctuation token">[</span>i<span class="punctuation token">]</span><span class="punctuation token">;</span> + <span class="keyword token">if</span> <span class="punctuation token">(</span>d<span class="punctuation token">.</span>id <span class="operator token">!=</span> <span class="string token">"divInfo"</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">if</span> <span class="punctuation token">(</span>chCapture<span class="punctuation token">.</span>checked<span class="punctuation token">)</span> + d<span class="punctuation token">.</span><span class="function token">addEventListener</span><span class="punctuation token">(</span><span class="string token">"click"</span><span class="punctuation token">,</span> OnDivClick<span class="punctuation token">,</span> <span class="keyword token">true</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + <span class="keyword token">else</span> + d<span class="punctuation token">.</span><span class="function token">addEventListener</span><span class="punctuation token">(</span><span class="string token">"click"</span><span class="punctuation token">,</span> OnDivClick<span class="punctuation token">,</span> <span class="keyword token">false</span><span class="punctuation token">)</span><span class="punctuation token">;</span> + d<span class="punctuation token">.</span>onmousemove <span class="operator token">=</span> <span class="keyword token">function</span> <span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> clear <span class="operator token">=</span> <span class="keyword token">true</span><span class="punctuation token">;</span> <span class="punctuation token">}</span><span class="punctuation token">;</span> + <span class="punctuation token">}</span> + <span class="punctuation token">}</span> +<span class="punctuation token">}</span> + +<span class="keyword token">function</span> <span class="function token">OnDivClick</span><span class="punctuation token">(</span>e<span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">if</span> <span class="punctuation token">(</span>clear<span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="function token">Clear</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span> clear <span class="operator token">=</span> <span class="keyword token">false</span><span class="punctuation token">;</span> + <span class="punctuation token">}</span> + <span class="keyword token">if</span> <span class="punctuation token">(</span>e<span class="punctuation token">.</span>eventPhase <span class="operator token">==</span> <span class="number token">2</span><span class="punctuation token">)</span> + e<span class="punctuation token">.</span>currentTarget<span class="punctuation token">.</span>style<span class="punctuation token">.</span>backgroundColor <span class="operator token">=</span> <span class="string token">'red'</span><span class="punctuation token">;</span> + <span class="keyword token">var</span> level <span class="operator token">=</span> e<span class="punctuation token">.</span>eventPhase <span class="operator token">==</span> <span class="number token">0</span> <span class="operator token">?</span> <span class="string token">"none"</span> <span class="punctuation token">:</span> e<span class="punctuation token">.</span>eventPhase <span class="operator token">==</span> <span class="number token">1</span> <span class="operator token">?</span> <span class="string token">"capturing"</span> <span class="punctuation token">:</span> e<span class="punctuation token">.</span>eventPhase <span class="operator token">==</span> <span class="number token">2</span> <span class="operator token">?</span> <span class="string token">"target"</span> <span class="punctuation token">:</span> e<span class="punctuation token">.</span>eventPhase <span class="operator token">==</span> <span class="number token">3</span> <span class="operator token">?</span> <span class="string token">"bubbling"</span> <span class="punctuation token">:</span> <span class="string token">"error"</span><span class="punctuation token">;</span> + divInfo<span class="punctuation token">.</span>innerHTML <span class="operator token">+</span><span class="operator token">=</span> e<span class="punctuation token">.</span>currentTarget<span class="punctuation token">.</span>id <span class="operator token">+</span> <span class="string token">"; eventPhase: "</span> <span class="operator token">+</span> level <span class="operator token">+</span> <span class="string token">"<br/>"</span><span class="punctuation token">;</span> +<span class="punctuation token">}</span> + +<span class="keyword token">function</span> <span class="function token">Clear</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">for</span> <span class="punctuation token">(</span><span class="keyword token">var</span> i <span class="operator token">=</span> <span class="number token">0</span><span class="punctuation token">;</span> i <span class="operator token"><</span> divs<span class="punctuation token">.</span>length<span class="punctuation token">;</span> i<span class="operator token">++</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> + <span class="keyword token">if</span> <span class="punctuation token">(</span>divs<span class="punctuation token">[</span>i<span class="punctuation token">]</span><span class="punctuation token">.</span>id <span class="operator token">!=</span> <span class="string token">"divInfo"</span><span class="punctuation token">)</span> + divs<span class="punctuation token">[</span>i<span class="punctuation token">]</span><span class="punctuation token">.</span>style<span class="punctuation token">.</span>backgroundColor <span class="operator token">=</span> <span class="punctuation token">(</span>i <span class="operator token">&</span> <span class="number token">1</span><span class="punctuation token">)</span> <span class="operator token">?</span> <span class="string token">"#f6eedb"</span> <span class="punctuation token">:</span> <span class="string token">"#cceeff"</span><span class="punctuation token">;</span> + <span class="punctuation token">}</span> + divInfo<span class="punctuation token">.</span>innerHTML <span class="operator token">=</span> <span class="string token">''</span><span class="punctuation token">;</span> +<span class="punctuation token">}</span></code></pre> + +<p>{{ EmbedLiveSample('Example', '', '700', '', 'Web/API/Event/eventPhase') }}</p> + +<h2 id="Spécifications">Spécifications</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th>Spécification</th> + <th>Statut</th> + <th>Commentaire</th> + </tr> + <tr> + <td>{{SpecName("DOM WHATWG", "#dom-event-eventphase", "Event.eventPhase")}}</td> + <td>{{Spec2("DOM WHATWG")}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName("DOM4", "#dom-event-eventphase", "Event.eventPhase")}}</td> + <td>{{Spec2("DOM4")}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName("DOM2 Events", "#Events-Event-eventPhase", "Event.eventPhase")}}</td> + <td>{{Spec2("DOM2 Events")}}</td> + <td>Première définition</td> + </tr> + </tbody> +</table> + +<h2 id="Compatibilité_des_navigateurs">Compatibilité des navigateurs</h2> + + + +<p>{{Compat("api.Event.eventPhase")}}</p> |