bring some orphaned docs and relocate according to it's counterpart eng doc (partial revert #1616) (#1618)

* Revert "Remove previously orphaned file (#1616)"

This reverts commit 49c5601989809c347a5a595e3c5edc08731e5305.

* fix broken slugs

* rm orphaned docs that eng origin is not available

* Web/API/Element/after: sync origin english content

1 files changed, 193 insertions, 0 deletions

diff --git a/files/zh-cn/web/api/element/before/index.html b/files/zh-cn/web/api/element/before/index.html
new file mode 100644
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+---
+title: Element.before()
+slug: Web/API/Element/before
+tags:
+  - API
+  - DOM
+  - Method
+  - Node
+  - Reference
+translation_of: Web/API/Element/before
+original_slug: Web/API/ChildNode/before
+browser-compat: api.Element.before
+---
+<div>{{APIRef("DOM")}} {{SeeCompatTable}}</div>
+
+<p> <code><strong>ChildNode</strong></code><strong><code>.before</code></strong> 方法可以在<code>ChildNode这个节点的父节点中插入一些列的</code> {{domxref("Node")}} 或者 {{domxref("DOMString")}} 对象，位置就是在<code>ChildNode节点的前面，</code>{{domxref("DOMString")}} 对象其实和 {{domxref("Text")}}节点一样的方式来完成插入的。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">[Throws, Unscopable]
+void Element.before((Node or DOMString)... nodes);
+</pre>
+
+<h3 id="Parameters参数">Parameters参数</h3>
+
+<dl>
+ <dt><code>nodes</code></dt>
+ <dd>一系列的 {{domxref("Node")}} 或者 {{domxref("DOMString")}} </dd>
+</dl>
+
+<h3 id="Exceptions">Exceptions</h3>
+
+<ul>
+ <li>{{domxref("HierarchyRequestError")}}: 当节点插入了错误的层级就会出现报错，需要遵循html标签的层级关系，</li>
+</ul>
+
+<h2 id="Examples事例">Examples事例</h2>
+
+<h3 id="Inserting_an_element插入元素节点">Inserting an element插入元素节点</h3>
+
+<pre class="brush: js">var parent = document.createElement("div");
+var child = document.createElement("p");
+parent.appendChild(child);
+var span = document.createElement("span");
+
+child.before(span);
+
+console.log(parent.outerHTML);
+// "&lt;div&gt;&lt;span&gt;&lt;/span&gt;&lt;p&gt;&lt;/p&gt;&lt;/div&gt;"
+</pre>
+
+<h3 id="Inserting_text插入文本节点">Inserting text插入文本节点</h3>
+
+<pre class="brush: js">var parent = document.createElement("div");
+var child = document.createElement("p");
+parent.appendChild(child);
+
+child.before("Text");
+
+console.log(parent.outerHTML);
+// "&lt;div&gt;Text&lt;p&gt;&lt;/p&gt;&lt;/div&gt;"</pre>
+
+<h3 id="Inserting_an_element_and_text同时插入文本和元素">Inserting an element and text同时插入文本和元素</h3>
+
+<pre class="brush: js">var parent = document.createElement("div");
+var child = document.createElement("p");
+parent.appendChild(child);
+var span = document.createElement("span");
+
+child.before(span, "Text");
+
+console.log(parent.outerHTML);
+// "&lt;div&gt;&lt;span&gt;&lt;/span&gt;Text&lt;p&gt;&lt;/p&gt;&lt;/div&gt;"</pre>
+
+<h3 id="Element.before()_is_unscopable不可使用区域"><code>Element.before()</code> is unscopable不可使用区域</h3>
+
+<p>The <code>before()</code> 不能配合with声明使用，See {{jsxref("Symbol.unscopables")}} for more information.</p>
+
+<pre class="brush: js">with(node) {
+  before("foo");
+}
+// ReferenceError: before is not defined </pre>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<p>兼容ie9或者更高版本的方法，You can polyfill the <code>before() method</code> in Internet Explorer 9 and higher with the following code:</p>
+
+<pre class="brush: js">// from: https://github.com/jserz/js_piece/blob/master/DOM/ChildNode/before()/before().md
+(function (arr) {
+  arr.forEach(function (item) {
+    if (item.hasOwnProperty('before')) {
+      return;
+    }
+    Object.defineProperty(item, 'before', {
+      configurable: true,
+      enumerable: true,
+      writable: true,
+      value: function before() {
+        var argArr = Array.prototype.slice.call(arguments),
+          docFrag = document.createDocumentFragment();
+
+        argArr.forEach(function (argItem) {
+          var isNode = argItem instanceof Node;
+          docFrag.appendChild(isNode ? argItem : document.createTextNode(String(argItem)));
+        });
+
+        this.parentNode.insertBefore(docFrag, this);
+      }
+    });
+  });
+})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);</pre>
+
+<h2 id="Specification">Specification</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('DOM WHATWG', '#dom-childnode-before', 'Element.before()')}}</td>
+   <td>{{Spec2('DOM WHATWG')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatChrome(54.0)}}</td>
+   <td>{{CompatGeckoDesktop(49)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatOpera(39)}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Android Webview</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+   <th>Chrome for Android</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatChrome(54.0)}}</td>
+   <td>{{CompatGeckoMobile(49)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatOpera(39)}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatChrome(54.0)}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{domxref("ChildNode")}} and {{domxref("ParentNode")}}</li>
+ <li>{{domxref("ChildNode.after()")}}</li>
+ <li>{{domxref("ParentNode.append()")}}</li>
+ <li>{{domxref("Node.appendChild()")}}</li>
+ <li>{{domxref("Node.insertBefore()")}}</li>
+ <li>{{domxref("NodeList")}}</li>
+</ul>