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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/imagedata/data | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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-rw-r--r-- | files/zh-cn/web/api/imagedata/data/index.html | 95 |
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diff --git a/files/zh-cn/web/api/imagedata/data/index.html b/files/zh-cn/web/api/imagedata/data/index.html new file mode 100644 index 0000000000..c25770cb3b --- /dev/null +++ b/files/zh-cn/web/api/imagedata/data/index.html @@ -0,0 +1,95 @@ +--- +title: ImageData.data +slug: Web/API/ImageData/data +translation_of: Web/API/ImageData/data +--- +<p>{{APIRef("Canvas API")}}</p> + +<p>只读的 <code><strong>ImageData.data</strong></code> 属性,返回 <span style="line-height: 1.5;">{{jsxref("Uint8ClampedArray")}}</span><span style="line-height: 1.5;"> ,描述</span><span style="line-height: 1.5;">一个一维数组,包含以 RGBA 顺序的数据,数据使用 </span><code style="font-style: normal; line-height: 1.5;">0</code><span style="line-height: 1.5;"> 至 </span><code style="font-style: normal; line-height: 1.5;">255</code><span style="line-height: 1.5;">(包含)的整数表示。 </span></p> + +<h2 id="语法">语法</h2> + +<pre class="syntaxbox"><em>imagedata</em>.data +</pre> + +<h2 id="示例">示例</h2> + +<pre class="brush: js language-js">var imagedata = new ImageData(100, 100); +imagedata.data; // Uint8ClampedArray[40000] +</pre> + +<h2 id="Specification" name="Specification">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-imagedata-data', 'ImageData.data')}}</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>{{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>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoDesktop("14")}}</td> + <td>9.0</td> + <td>9.0</td> + <td>3.1</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoMobile("14")}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="参见">参见</h2> + +<ul> + <li>{{domxref("ImageData.height")}}</li> + <li>{{domxref("ImageData.width")}}</li> +</ul> + +<div id="cke_pastebin" style="position: absolute; top: 459.5px; width: 1px; height: 1px; overflow: hidden; left: -1000px;"> </div> |