initial commit

1 files changed, 57 insertions, 0 deletions

diff --git a/files/zh-cn/web/api/canvasrenderingcontext2d/canvas/index.html b/files/zh-cn/web/api/canvasrenderingcontext2d/canvas/index.html
new file mode 100644
index 0000000000..63331f1630
--- /dev/null
+++ b/files/zh-cn/web/api/canvasrenderingcontext2d/canvas/index.html
@@ -0,0 +1,57 @@
+---
+title: CanvasRenderingContext2D.canvas
+slug: Web/API/CanvasRenderingContext2D/canvas
+tags:
+  - API
+  - Canvas
+translation_of: Web/API/CanvasRenderingContext2D/canvas
+---
+<div>{{APIRef}}</div>
+
+<p><code><strong>CanvasRenderingContext2D</strong></code><strong><code><span>.canvas</span></code></strong> 属性是 <a href="https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API">Canvas API</a> 的一部分，是对与给定上下文关联的{{domxref("HTMLCanvasElement")}}对象的只读引用。如果没有 {{HTMLElement("canvas")}} 元素与之对应，对象值为{{jsxref("null")}} 。</p>
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="syntaxbox"><var><em>ctx</em></var>.canvas;</pre>
+
+<h2 id="示例">示例</h2>
+
+<p>给出 {{HTMLElement("canvas")}} 元素：</p>
+
+<pre class="brush: html">&lt;canvas id="canvas"&gt;&lt;/canvas&gt;
+</pre>
+
+<p>你可以通过CanvasRenderingContext2D调用内部的canvas属性，获取canvas的一个反向引用:</p>
+
+<pre class="brush: js">var canvas = document.getElementById("canvas");
+var ctx = canvas.getContext("2d");
+ctx.canvas // HTMLCanvasElement
+</pre>
+
+<h2 id="规范描述">规范描述</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('HTML WHATWG', "scripting.html#dom-context-2d-canvas", "CanvasRenderingContext2D.canvas")}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{Compat("api.CanvasRenderingContext2D.canvas")}}</p>
+
+<h2 id="See_Also" name="See_Also">参见</h2>
+
+<ul>
+ <li>{{domxref("CanvasRenderingContext2D")}} 接口</li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API">Canvas API</a></li>
+</ul>