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+---
+title: Event.eventPhase
+slug: Web/API/Event/eventPhase
+tags:
+  - API
+  - DOM
+  - Gecko
+  - Gecko DOM Reference
+  - Property
+  - Reference
+translation_of: Web/API/Event/eventPhase
+---
+<p>{{ ApiRef("DOM") }}</p>
+
+<h3 id="Summary" name="Summary">Общая информация</h3>
+
+<p>Отображает текущую фазу процесса обработки события.</p>
+
+<h3 id="Syntax" name="Syntax">Синтаксис</h3>
+
+<pre class="eval"><em>var phase</em> = event.eventPhase;
+</pre>
+
+<p>Возвращает целое число, соответствующее одной из 4 констант:</p>
+
+<ul>
+ <li><code>Event.NONE = 0</code></li>
+ <li><code>Event.CAPTURING_PHASE = 1</code></li>
+ <li><code>Event.AT_TARGET = 2</code></li>
+ <li><code>Event.BUBBLING_PHASE = 3</code></li>
+</ul>
+
+<p>Смысл констант смотри в <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>, спецификации DOM Level 3.</p>
+
+<h3 id="Пример">Пример</h3>
+
+<pre>&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt; &lt;title&gt;Event Propagation&lt;/title&gt;
+  &lt;style type="text/css"&gt;
+    body { font-family:'Trebuchet MS'; }
+    div { margin: 20px; padding: 4px; border: thin black solid; }
+    #divInfo { margin: 18px; padding: 8px; background-color:white; font-size:80%; }
+  &lt;/style&gt;
+&lt;/head&gt;
+&lt;body&gt;
+  &lt;h4&gt;Event Propagation Chain&lt;/h4&gt;
+  &lt;ul&gt;
+    &lt;li&gt;Click 'd1'&lt;/li&gt;
+    &lt;li&gt;Analyse event propagation chain&lt;/li&gt;
+    &lt;li&gt;Click next div and repeat the experience&lt;/li&gt;
+    &lt;li&gt;Change Capturing mode&lt;/li&gt;
+    &lt;li&gt;Repeat the experience&lt;/li&gt;
+  &lt;/ul&gt;
+  &lt;input type="checkbox" id="chCapture" /&gt; Use Capturing
+  &lt;div id="d1"&gt;d1
+    &lt;div id="d2"&gt;d2
+      &lt;div id="d3"&gt;d3
+        &lt;div id="d4"&gt;d4&lt;/div&gt;
+      &lt;/div&gt;
+    &lt;/div&gt;
+  &lt;/div&gt;
+  &lt;div id="divInfo"&gt;&lt;/div&gt;
+  &lt;script&gt;
+    var
+      clear = false,
+      divInfo = null,
+      divs = null,
+      useCapture = false;
+  window.onload = function ()
+  {
+    divInfo = document.getElementById("divInfo");
+    divs = document.getElementsByTagName('div');
+    chCapture = document.getElementById("chCapture");
+    chCapture.onclick = function ()
+    {
+      RemoveListeners();
+      AddListeners();
+    }
+    Clear();
+    AddListeners();
+  }
+  function RemoveListeners()
+  {
+    for (var i = 0; i &lt; divs.length; i++)
+    {
+      var d = divs[i];
+      if (d.id != "divInfo")
+      {
+        d.removeEventListener("click", OnDivClick, true);
+        d.removeEventListener("click", OnDivClick, false);
+      }
+    }
+  }
+  function AddListeners()
+  {
+    for (var i = 0; i &lt; divs.length; i++)
+    {
+      var d = divs[i];
+      if (d.id != "divInfo")
+      {
+        d.addEventListener("click", OnDivClick, false);
+        if (chCapture.checked)
+          d.addEventListener("click", OnDivClick, true);
+        d.onmousemove = function () { clear = true; };
+      }
+    }
+  }
+  function OnDivClick(e)
+  {
+    if (clear)
+    {
+      Clear();
+      clear = false;
+    }
+
+    if (e.eventPhase == 2)
+      e.currentTarget.style.backgroundColor = 'red';
+
+    var level =
+        e.eventPhase == 0 ? "none" :
+        e.eventPhase == 1 ? "capturing" :
+        e.eventPhase == 2 ? "target" :
+        e.eventPhase == 3 ? "bubbling" : "error";
+    divInfo.innerHTML += e.currentTarget.id + "; eventPhase: " + level + "&lt;br/&gt;";
+  }
+  function Clear()
+  {
+    for (var i = 0; i &lt; divs.length; i++)
+    {
+      if (divs[i].id != "divInfo")
+        divs[i].style.backgroundColor = (i &amp; 1) ? "#f6eedb" : "#cceeff";
+    }
+    divInfo.innerHTML = '';
+  }
+  &lt;/script&gt;
+&lt;/body&gt;
+&lt;/html&gt;</pre>
+
+<h3 id="Specification" name="Specification">Спецификация</h3>
+
+<p><a class="external" href="http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/events.html#Events-Event-eventPhase">DOM Level 2 Events: Event.eventPhase </a></p>
+
+<p>{{ languages( { "pl": "pl/DOM/event.eventPhase" } ) }}</p>