Demix ParentNode.childElementCount

files/en-us/_redirects.txt

@@ -1348,7 +1348,7 @@
 /en-US/docs/DOM/DocumentTouch.createTouchList	/en-US/docs/Web/API/Document/createTouchList
 /en-US/docs/DOM/DocumentType	/en-US/docs/Web/API/DocumentType
 /en-US/docs/DOM/DynamicsCompressorNode	/en-US/docs/Web/API/DynamicsCompressorNode
-/en-US/docs/DOM/Element.childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
+/en-US/docs/DOM/Element.childElementCount	/en-US/docs/Web/API/Element/childElementCount
 /en-US/docs/DOM/Element.children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/DOM/Element.contentEditable	/en-US/docs/Web/API/HTMLElement/contentEditable
 /en-US/docs/DOM/Element.firstElementChild	/en-US/docs/Web/API/ParentNode/firstElementChild
@@ -2966,7 +2966,7 @@
 /en-US/docs/Document_Object_Model_(DOM)/DocumentTouch.createTouch	/en-US/docs/Web/API/Document/createTouch
 /en-US/docs/Document_Object_Model_(DOM)/DocumentTouch.createTouchList	/en-US/docs/Web/API/Document/createTouchList
 /en-US/docs/Document_Object_Model_(DOM)/DocumentType	/en-US/docs/Web/API/DocumentType
-/en-US/docs/Document_Object_Model_(DOM)/Element.childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
+/en-US/docs/Document_Object_Model_(DOM)/Element.childElementCount	/en-US/docs/Web/API/Element/childElementCount
 /en-US/docs/Document_Object_Model_(DOM)/Element.children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/Document_Object_Model_(DOM)/Element.contentEditable	/en-US/docs/Web/API/HTMLElement/contentEditable
 /en-US/docs/Document_Object_Model_(DOM)/Element.firstElementChild	/en-US/docs/Web/API/ParentNode/firstElementChild
@@ -7507,7 +7507,6 @@
 /en-US/docs/Web/API/Document/baseURI	/en-US/docs/Web/API/Node/baseURI
 /en-US/docs/Web/API/Document/cancelFullscreen	/en-US/docs/Web/API/Document/exitFullscreen
 /en-US/docs/Web/API/Document/charset	/en-US/docs/Web/API/document/characterSet
-/en-US/docs/Web/API/Document/childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
 /en-US/docs/Web/API/Document/children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/Web/API/Document/defaultView/popstate_event	/en-US/docs/Web/API/Window/popstate_event
 /en-US/docs/Web/API/Document/defaultView/resize_event	/en-US/docs/Web/API/Window/resize_event
@@ -7548,7 +7547,6 @@
 /en-US/docs/Web/API/DocumentFragment.DocumentFragment	/en-US/docs/Web/API/DocumentFragment/DocumentFragment
 /en-US/docs/Web/API/DocumentFragment.querySelector	/en-US/docs/Web/API/DocumentFragment/querySelector
 /en-US/docs/Web/API/DocumentFragment.querySelectorAll	/en-US/docs/Web/API/DocumentFragment/querySelectorAll
-/en-US/docs/Web/API/DocumentFragment/childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
 /en-US/docs/Web/API/DocumentFragment/children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/Web/API/DocumentFragment/firstElementChild	/en-US/docs/Web/API/ParentNode/firstElementChild
 /en-US/docs/Web/API/DocumentFragment/lastElementChild	/en-US/docs/Web/API/ParentNode/lastElementChild
@@ -7578,7 +7576,7 @@
 /en-US/docs/Web/API/DynamicsCompressorNode.release	/en-US/docs/Web/API/DynamicsCompressorNode/release
 /en-US/docs/Web/API/DynamicsCompressorNode.threshold	/en-US/docs/Web/API/DynamicsCompressorNode/threshold
 /en-US/docs/Web/API/Element.attributes	/en-US/docs/Web/API/Element/attributes
-/en-US/docs/Web/API/Element.childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
+/en-US/docs/Web/API/Element.childElementCount	/en-US/docs/Web/API/Element/childElementCount
 /en-US/docs/Web/API/Element.children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/Web/API/Element.clientLeft	/en-US/docs/Web/API/Element/clientLeft
 /en-US/docs/Web/API/Element.clientTop	/en-US/docs/Web/API/Element/clientTop
@@ -7617,7 +7615,6 @@
 /en-US/docs/Web/API/Element/animationiteration_event	/en-US/docs/Web/API/HTMLElement/animationiteration_event
 /en-US/docs/Web/API/Element/animationstart_event	/en-US/docs/Web/API/HTMLElement/animationstart_event
 /en-US/docs/Web/API/Element/cancel_event	/en-US/docs/Web/API/HTMLDialogElement/cancel_event
-/en-US/docs/Web/API/Element/childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
 /en-US/docs/Web/API/Element/children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/Web/API/Element/firstElementChild	/en-US/docs/Web/API/ParentNode/firstElementChild
 /en-US/docs/Web/API/Element/fullscreenchange	/en-US/docs/Web/API/Element/fullscreenchange_event
@@ -7641,7 +7638,7 @@
 /en-US/docs/Web/API/Element/pointerup_event	/en-US/docs/Web/API/HTMLElement/pointerup_event
 /en-US/docs/Web/API/Element/remove	/en-US/docs/Web/API/ChildNode/remove
 /en-US/docs/Web/API/Element/resourcetimingbufferfull_event	/en-US/docs/Web/API/Performance/resourcetimingbufferfull_event
-/en-US/docs/Web/API/ElementTraversal.childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
+/en-US/docs/Web/API/ElementTraversal.childElementCount	/en-US/docs/Web/API/Element/childElementCount
 /en-US/docs/Web/API/ElementTraversal.firstElementChild	/en-US/docs/Web/API/ParentNode/firstElementChild
 /en-US/docs/Web/API/ElementTraversal.lastElementChild	/en-US/docs/Web/API/ParentNode/lastElementChild
 /en-US/docs/Web/API/ElementTraversal.nextElementSibling	/en-US/docs/Web/API/Element/nextElementSibling
@@ -8465,10 +8462,11 @@
 /en-US/docs/Web/API/PannerNode.setOrientation	/en-US/docs/Web/API/PannerNode/setOrientation
 /en-US/docs/Web/API/PannerNode.setPosition	/en-US/docs/Web/API/PannerNode/setPosition
 /en-US/docs/Web/API/PannerNode.setVelocity	/en-US/docs/Web/API/PannerNode/setVelocity
-/en-US/docs/Web/API/ParentNode.childElementCount	/en-US/docs/Web/API/ParentNode/childElementCount
+/en-US/docs/Web/API/ParentNode.childElementCount	/en-US/docs/Web/API/Element/childElementCount
 /en-US/docs/Web/API/ParentNode.children	/en-US/docs/Web/API/ParentNode/children
 /en-US/docs/Web/API/ParentNode.firstElementChild	/en-US/docs/Web/API/ParentNode/firstElementChild
 /en-US/docs/Web/API/ParentNode.lastElementChild	/en-US/docs/Web/API/ParentNode/lastElementChild
+/en-US/docs/Web/API/ParentNode/childElementCount	/en-US/docs/Web/API/Element/childElementCount
 /en-US/docs/Web/API/PasswordCredential/additionalData	/en-US/docs/Web/API/PasswordCredential
 /en-US/docs/Web/API/PasswordCredential/idName	/en-US/docs/Web/API/PasswordCredential
 /en-US/docs/Web/API/PasswordCredential/passwordName	/en-US/docs/Web/API/PasswordCredential

files/en-us/_wikihistory.json

@@ -71118,29 +71118,6 @@
       "fscholz"
     ]
   },
-  "Web/API/ParentNode/childElementCount": {
-    "modified": "2020-10-15T21:05:55.635Z",
-    "contributors": [
-      "sideshowbarker",
-      "mfluehr",
-      "adyouri",
-      "ExE-Boss",
-      "K-Gun",
-      "jszhou",
-      "uxfed",
-      "Alhadis",
-      "fscholz",
-      "jsx",
-      "411911.ca",
-      "Kartik_Chadha",
-      "teoli",
-      "ethertank",
-      "Sheppy",
-      "trevorh",
-      "ziyunfei",
-      "Jürgen Jeka"
-    ]
-  },
   "Web/API/ParentNode/children": {
     "modified": "2020-10-15T21:05:52.672Z",
     "contributors": [
@@ -165770,5 +165747,28 @@
       "david_ross",
       "jpmedley"
     ]
+  },
+  "Web/API/Element/childElementCount": {
+    "modified": "2020-10-15T21:05:55.635Z",
+    "contributors": [
+      "sideshowbarker",
+      "mfluehr",
+      "adyouri",
+      "ExE-Boss",
+      "K-Gun",
+      "jszhou",
+      "uxfed",
+      "Alhadis",
+      "fscholz",
+      "jsx",
+      "411911.ca",
+      "Kartik_Chadha",
+      "teoli",
+      "ethertank",
+      "Sheppy",
+      "trevorh",
+      "ziyunfei",
+      "Jürgen Jeka"
+    ]
   }
 }

files/en-us/web/api/document/childelementcount/index.html

@@ -0,0 +1,54 @@
+---
+title: Document.childElementCount
+slug: Web/API/Document/childElementCount
+tags:
+  - API
+  - DOM
+  - Property
+  - Reference
+---
+<div>{{ APIRef("DOM") }}</div>
+
+<p>The <code><strong>Document.childElementCount</strong></code> read-only property
+returns the number of child elements of the document.</p>
+
+<p>To get the number of children of a specific element, see {{domxref("Element.childElementCount")}}.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="brush: js"><em>document</em>.childElementCount;
+</pre>
+
+<h2 id="Example">Example</h2>
+
+<pre class="brush:js">
+document.children;
+// HTMLCollection, usually containing an &lt;html&gt; element, the document's only child
+
+document.childElementCount;
+// 1
+</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+  <tbody>
+    <tr>
+      <th scope="col">Specification</th>
+    </tr>
+    <tr>
+      <td>{{SpecName('DOM WHATWG', '#dom-parentnode-childelementcount', 'ParentNode.childElementCount')}}</td>
+    </tr>
+  </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p>{{Compat("api.Document.childElementCount")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+  <li>{{domxref("Element.childElementCount")}}</li>
+  <li>{{domxref("DocumentFragment.childElementCount")}}</li>
+</ul>

files/en-us/web/api/document/index.html

@@ -34,6 +34,8 @@ <h2 id="Properties">Properties</h2>
  <dd>Returns the {{HTMLElement("body")}} or {{htmlelement("frameset")}} node of the current document.</dd>
  <dt>{{DOMxRef("Document.characterSet")}}{{ReadOnlyInline}}</dt>
  <dd>Returns the character set being used by the document.</dd>
+ <dt>{{domxref("Document.childElementCount")}} {{readonlyInline}}</dt>
+ <dd>Returns the number of child elements of the current document.</dd>
  <dt>{{DOMxRef("Document.compatMode")}} {{Experimental_Inline}}{{ReadOnlyInline}}</dt>
  <dd>Indicates whether the document is rendered in <em>quirks</em> or <em>strict</em> mode.</dd>
  <dt>{{DOMxRef("Document.contentType")}} {{Experimental_Inline}}{{ReadOnlyInline}}</dt>
@@ -88,10 +90,6 @@ <h2 id="Properties">Properties</h2>
  <dd>Returns a <code>string</code> denoting the visibility state of the document. Possible values are <code>visible</code>, <code>hidden</code>, <code>prerender</code>, and <code>unloaded</code>.</dd>
 </dl>
 
-<p>The <code>Document</code> interface is extended with the {{DOMxRef("ParentNode")}} interface:</p>
-
-<p>{{page("/en-US/docs/Web/API/ParentNode","Properties")}}</p>
-
 <h3 id="Extensions_for_HTMLDocument">Extensions for HTMLDocument</h3>
 
 <p><em>The <code>Document</code> interface for HTML documents inherits from the {{DOMxRef("HTMLDocument")}} interface or, since HTML5, is extended for such documents.</em></p>

files/en-us/web/api/documentfragment/childelementcount/index.html

@@ -0,0 +1,56 @@
+---
+title: DocumentFragment.childElementCount
+slug: Web/API/DocumentFragment/childElementCount
+tags:
+  - API
+  - DOM
+  - Property
+  - Reference
+---
+<div>{{ APIRef("DOM") }}</div>
+
+<p>The <code><strong>Document.childElementCount</strong></code> read-only property
+returns the number of child elements of a <code>DocumentFragment</code>.</p>
+
+<p>To get the number of children of a specific element, see {{domxref("Element.childElementCount")}}.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="brush: js"><em>fragment</em>.childElementCount;
+</pre>
+
+<h2 id="Example">Example</h2>
+
+<pre class="brush:js">
+let fragment = new DocumentFragment()
+fragment.childElementCount; // 0
+
+let paragraph = document.createElement('p')
+fragment.appendChild(paragraph)
+
+fragment.childElementCount; // 1
+</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+  <tbody>
+    <tr>
+      <th scope="col">Specification</th>
+    </tr>
+    <tr>
+      <td>{{SpecName('DOM WHATWG', '#dom-parentnode-childelementcount', 'ParentNode.childElementCount')}}</td>
+    </tr>
+  </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p>{{Compat("api.DocumentFragment.childElementCount")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+  <li>{{domxref("Element.childElementCount")}}</li>
+  <li>{{domxref("Document.childElementCount")}}</li>
+</ul>

files/en-us/web/api/documentfragment/index.html

@@ -26,14 +26,14 @@ <h2 id="Properties">Properties</h2>
 <p><em>This interface has no specific properties, but inherits those of its parent, {{domxref("Node")}}, and implements those of the {{domxref("ParentNode")}} interface.</em></p>
 
 <dl>
+ <dt>{{ domxref("DocumentFragment.childElementCount") }} {{readonlyInline}} </dt>
+ <dd>Returns the amount of child {{domxref("Element","elements")}} the <code>DocumentFragment</code> has.</dd>
  <dt>{{ domxref("ParentNode.children") }} {{readonlyInline}}{{experimental_inline}}</dt>
  <dd>Returns a live {{domxref("HTMLCollection")}} containing all objects of type {{domxref("Element")}} that are children of the <code>DocumentFragment</code> object.</dd>
  <dt>{{ domxref("ParentNode.firstElementChild") }} {{readonlyInline}}{{experimental_inline}}</dt>
  <dd>Returns the {{domxref("Element")}} that is the first child of the <code>DocumentFragment</code> object, or <code>null</code> if there is none.</dd>
  <dt>{{ domxref("ParentNode.lastElementChild") }} {{readonlyInline}}{{experimental_inline}}</dt>
  <dd>Returns the {{domxref("Element")}} that is the last child of the <code>DocumentFragment</code> object, or <code>null</code> if there is none.</dd>
- <dt>{{ domxref("ParentNode.childElementCount") }} {{readonlyInline}}{{experimental_inline}}</dt>
- <dd>Returns an <code>unsigned long</code> giving the amount of child {{domxref("Element","elements")}} the <code>DocumentFragment</code> has.</dd>
 </dl>
 
 <h2 id="Methods">Methods</h2>

files/en-us/web/api/element/childelementcount/index.html

@@ -0,0 +1,49 @@
+---
+title: Element.childElementCount
+slug: Web/API/Element/childElementCount
+tags:
+  - API
+  - DOM
+  - Property
+  - Reference
+---
+<div>{{ APIRef("DOM") }}</div>
+
+<p>The <code><strong>Element.childElementCount</strong></code> read-only property
+returns the number of child elements of this element.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="brush: js">element.childElementCount;</pre>
+
+<h2 id="Example">Example</h2>
+
+<pre class="brush:js">let sidebar = document.getElementById('sidebar');
+if (sidebar.childElementCount &gt; 0) {
+  // Do something
+}
+</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+  <tbody>
+    <tr>
+      <th scope="col">Specification</th>
+    </tr>
+    <tr>
+      <td>{{SpecName('DOM WHATWG', '#dom-parentnode-childelementcount', 'ParentNode.childElementCount')}}</td>
+    </tr>
+  </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p>{{Compat("api.Element.childElementCount")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+  <li>{{domxref("Document.childElementCount")}}</li>
+  <li>{{domxref("DocumentFragment.childElementCount")}}</li>
+</ul>

files/en-us/web/api/element/index.html

@@ -27,6 +27,8 @@ <h2 id="Properties">Properties</h2>
  <dd>Returns a {{DOMxRef("HTMLSlotElement")}} representing the {{htmlelement("slot")}} the node is inserted in.</dd>
  <dt>{{DOMxRef("Element.attributes")}} {{readOnlyInline}}</dt>
  <dd>Returns a {{DOMxRef("NamedNodeMap")}} object containing the assigned attributes of the corresponding HTML element.</dd>
+ <dt>{{domxref("Element.childElementCount")}} {{readonlyInline}}</dt>
+ <dd>Returns the number of child elements of this element.</dd>
  <dt>{{DOMxRef("Element.classList")}} {{readOnlyInline}}</dt>
  <dd>Returns a {{DOMxRef("DOMTokenList")}} containing the list of class attributes.</dd>
  <dt>{{DOMxRef("Element.className")}}</dt>