update based on https://github.com/mdn/yari/issues/2028

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diff --git a/files/zh-cn/web/guide/api/camera/index.html b/files/zh-cn/web/guide/api/camera/index.html
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@@ -1,219 +0,0 @@
----
-title: 使用Camera API
-slug: Web/Guide/API/Camera
-translation_of: Archive/B2G_OS/API/Camera_API/Introduction
----
-<p>通过<a class="link-https" href="https://wiki.mozilla.org/Platform/Features/Camera_API">Camera API</a>,你可以使用手机的摄像头拍照,然后把拍到的照片发送给当前网页.这些操作主要是通过一个<code>input元素</code>来实现的,其中该元素的<code>type属性必须为"file",</code><code>accept属性要允许图片格式,</code>这样才能知道这个文件选择框是用来选择图片的.,完整的HTML结构看起来是这样的:</p>
-<pre class="brush: html">&lt;input type="file" id="take-picture" accept="image/*"&gt;
-</pre>
-<p>当用户激活这个HTML元素的时候,系统会呈现给用户一个选择界面,其中一个选项是选择本地的图片文件,另一个选项是要通过摄像头直接 拍摄照片作为所选文件.如果用户选择了摄像头,则会进入手机的拍照模式.拍照结束后,,用户可以选择确定还是放弃.如果接受了,则该照片会作为所选文件发 送给那个<code>&lt;input type="file"&gt;</code>元素,同时触发该元素的<code>onchange事件</code>.</p>
-<h2 id="获取到所拍摄照片的引用">获取到所拍摄照片的引用</h2>
-<p>通过<a href="/en/Using_files_from_web_applications" title="en/Using_files_from_web_applications">File API</a>,你可以获取到用户所拍摄的照片或者所选择的图片文件的引用:</p>
-<pre class="brush: js">var takePicture = document.querySelector("#take-picture");
-takePicture.onchange = function (event) {
-    // 获得图片文件的引用
-    var files = event.target.files,
-        file;
-    if (files &amp;&amp; files.length &gt; 0) {
-        file = files[0];
-    }
-};
-</pre>
-<h2 id="在网页中展示图片">在网页中展示图片</h2>
-<p>如果你获取到了那张照片的引用(也就是File对象),你就可以使用{{ domxref("window.URL.createObjectURL()") }}方法创建一个指向那个照片的URL,然后把得到的URL赋给<code>img</code>元素的<code>src属性</code>:</p>
-<pre class="brush: js">// 获取到img元素
-var showPicture = document.querySelector("#show-picture");
-
-// 获取到window.URL对象
-var URL = window.URL || window.webkitURL;
-
-// 创建一个对象URL字符串
-var imgURL = URL.createObjectURL(file);
-
-// 设置img元素的src属性为那个URL
-showPicture.src = imgURL;
-
-// 释放那个对象URL,提高性能
-URL.revokeObjectURL(imgURL);
-</pre>
-<p>如果浏览器不支持<code>createObjectURL()</code>方法,还可以使用{{ domxref("FileReader") }}来实现:</p>
-<pre class="brush: js">// 如果createObjectURL方法不可用
-var fileReader = new FileReader();
-fileReader.onload = function (event) {
-    showPicture.src = event.target.result;
-};
-fileReader.readAsDataURL(file);
-</pre>
-<h2 id="完整的示例代码">完整的示例代码</h2>
-<p>这里有一个<a class="external" href="http://robnyman.github.com/camera-api/">完整的使用Camera API的demo</a>,下面是这个demo的完整代码:</p>
-<h3 id="HTML页面">HTML页面:</h3>
-<pre class="brush: html">&lt;!DOCTYPE html&gt;
-&lt;html&gt;
-    &lt;head&gt;
-        &lt;meta charset="utf-8"&gt;
-        &lt;title&gt;Camera API&lt;/title&gt;
-        &lt;link rel="stylesheet" href="css/base.css" type="text/css" media="screen"&gt;
-    &lt;/head&gt;
-
-    &lt;body&gt;
-
-        &lt;div class="container"&gt;
-            &lt;h1&gt;Camera API&lt;/h1&gt;
-
-            &lt;section class="main-content"&gt;
-                &lt;p&gt;A demo of the Camera API, currently implemented in Firefox and Google Chrome on Android. Choose to take a picture with your device's camera and a preview will be shown through createObjectURL or a FileReader object (choosing local files supported too).&lt;/p&gt;
-
-                &lt;p&gt;
-                    &lt;input type="file" id="take-picture" accept="image/*"&gt;
-                &lt;/p&gt;
-
-                &lt;h2&gt;Preview:&lt;/h2&gt;
-                &lt;p&gt;
-                    &lt;img src="about:blank" alt="" id="show-picture"&gt;
-                &lt;/p&gt;
-
-                &lt;p id="error"&gt;&lt;/p&gt;
-
-            &lt;/section&gt;
-
-            &lt;p class="footer"&gt;All the code is available in the &lt;a href="https://github.com/robnyman/robnyman.github.com/tree/master/camera-api"&gt;Camera API repository on GitHub&lt;/a&gt;.&lt;/p&gt;
-        &lt;/div&gt;
-
-
-        &lt;script src="js/base.js"&gt;&lt;/script&gt;
-
-
-    &lt;/body&gt;
-&lt;/html&gt;
-</pre>
-<h3 id="JavaScript文件">JavaScript文件:</h3>
-<pre class="brush: js">(function () {
-    var takePicture = document.querySelector("#take-picture"),
-        showPicture = document.querySelector("#show-picture");
-
-    if (takePicture &amp;&amp; showPicture) {
-        // Set events
-        takePicture.onchange = function (event) {
-            // Get a reference to the taken picture or chosen file
-            var files = event.target.files,
-                file;
-            if (files &amp;&amp; files.length &gt; 0) {
-                file = files[0];
-                try {
-                    // Get window.URL object
-                    var URL = window.URL || window.webkitURL;
-
-                    // Create ObjectURL
-                    var imgURL = URL.createObjectURL(file);
-
-                    // Set img src to ObjectURL
-                    showPicture.src = imgURL;
-
-                    // Revoke ObjectURL
-                    URL.revokeObjectURL(imgURL);
-                }
-                catch (e) {
-                    try {
-                        // Fallback if createObjectURL is not supported
-                        var fileReader = new FileReader();
-                        fileReader.onload = function (event) {
-                            showPicture.src = event.target.result;
-                        };
-                        fileReader.readAsDataURL(file);
-                    }
-                    catch (e) {
-                        //
-                        var error = document.querySelector("#error");
-                        if (error) {
-                            error.innerHTML = "Neither createObjectURL or FileReader are supported";
-                        }
-                    }
-                }
-            }
-        };
-    }
-})();
-</pre>
-<h2 id="浏览器兼容性">浏览器兼容性</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>Camera API</td>
-        <td>{{ CompatNo() }}</td>
-        <td>{{ CompatNo() }}</td>
-        <td>{{ CompatNo() }}</td>
-        <td>{{ CompatNo() }}</td>
-        <td>{{ CompatNo() }}</td>
-      </tr>
-      <tr>
-        <td><code><a href="/en-US/docs/DOM/window.URL.createObjectURL" title="/en-US/docs/DOM/window.URL.createObjectURL">createObjectURL()</a></code></td>
-        <td>16</td>
-        <td>{{CompatGeckoDesktop("8.0")}}</td>
-        <td>10+</td>
-        <td>{{CompatNo()}}</td>
-        <td>{{CompatNo()}}</td>
-      </tr>
-      <tr>
-        <td>{{domxref("FileReader")}}</td>
-        <td>16</td>
-        <td>{{CompatGeckoDesktop("1.9.2")}}</td>
-        <td>10+</td>
-        <td>11.6+</td>
-        <td>{{CompatNo()}}</td>
-      </tr>
-    </tbody>
-  </table>
-</div>
-<div id="compat-mobile">
-  <table class="compat-table">
-    <tbody>
-      <tr>
-        <th>Feature</th>
-        <th>Android</th>
-        <th>Chrome for Android</th>
-        <th>Firefox Mobile (Gecko)</th>
-        <th>IE Mobile</th>
-        <th>Opera Mobile</th>
-        <th>Safari Mobile</th>
-      </tr>
-      <tr>
-        <td>Camera API</td>
-        <td>3.0</td>
-        <td>{{ CompatVersionUnknown() }}</td>
-        <td>{{ CompatGeckoMobile("10.0") }}</td>
-        <td>{{ CompatNo() }}</td>
-        <td>{{ CompatNo() }}</td>
-        <td>{{ CompatNo() }}</td>
-      </tr>
-      <tr>
-        <td><code><a href="/en-US/docs/DOM/window.URL.createObjectURL" title="/en-US/docs/DOM/window.URL.createObjectURL">createObjectURL()</a></code></td>
-        <td>4</td>
-        <td>{{CompatVersionUnknown()}}</td>
-        <td>{{CompatGeckoMobile("10.0")}}</td>
-        <td>{{CompatNo()}}</td>
-        <td>{{CompatNo()}}</td>
-        <td>{{CompatNo()}}</td>
-      </tr>
-      <tr>
-        <td>{{domxref("FileReader")}}</td>
-        <td>3</td>
-        <td>{{CompatVersionUnknown()}}</td>
-        <td>{{CompatGeckoMobile("10.0")}}</td>
-        <td>{{CompatNo()}}</td>
-        <td>11.1</td>
-        <td>{{CompatNo()}}</td>
-      </tr>
-    </tbody>
-  </table>
-</div>
-<p> </p>