1# ImageData对象<a name="ZH-CN_TOPIC_0000001209570711"></a> 2 3ImageData对象可以存储canvas渲染的像素数据。 4 5## 属性<a name="zh-cn_topic_0000001127125022_section661391987"></a> 6 7<a name="zh-cn_topic_0000001127125022_table67211828124016"></a> 8<table><thead align="left"><tr id="zh-cn_topic_0000001127125022_row108577289405"><th class="cellrowborder" valign="top" width="22.872287228722872%" id="mcps1.1.4.1.1"><p id="zh-cn_topic_0000001127125022_p385742814403"><a name="zh-cn_topic_0000001127125022_p385742814403"></a><a name="zh-cn_topic_0000001127125022_p385742814403"></a>属性</p> 9</th> 10<th class="cellrowborder" valign="top" width="29.352935293529352%" id="mcps1.1.4.1.2"><p id="zh-cn_topic_0000001127125022_p19857192816408"><a name="zh-cn_topic_0000001127125022_p19857192816408"></a><a name="zh-cn_topic_0000001127125022_p19857192816408"></a>类型</p> 11</th> 12<th class="cellrowborder" valign="top" width="47.774777477747776%" id="mcps1.1.4.1.3"><p id="zh-cn_topic_0000001127125022_p18573288402"><a name="zh-cn_topic_0000001127125022_p18573288402"></a><a name="zh-cn_topic_0000001127125022_p18573288402"></a>描述</p> 13</th> 14</tr> 15</thead> 16<tbody><tr id="zh-cn_topic_0000001127125022_row1085792824019"><td class="cellrowborder" valign="top" width="22.872287228722872%" headers="mcps1.1.4.1.1 "><p id="zh-cn_topic_0000001127125022_p1485792815404"><a name="zh-cn_topic_0000001127125022_p1485792815404"></a><a name="zh-cn_topic_0000001127125022_p1485792815404"></a>width</p> 17</td> 18<td class="cellrowborder" valign="top" width="29.352935293529352%" headers="mcps1.1.4.1.2 "><p id="zh-cn_topic_0000001127125022_p11857182804010"><a name="zh-cn_topic_0000001127125022_p11857182804010"></a><a name="zh-cn_topic_0000001127125022_p11857182804010"></a>number</p> 19</td> 20<td class="cellrowborder" valign="top" width="47.774777477747776%" headers="mcps1.1.4.1.3 "><p id="zh-cn_topic_0000001127125022_p1785711281405"><a name="zh-cn_topic_0000001127125022_p1785711281405"></a><a name="zh-cn_topic_0000001127125022_p1785711281405"></a>矩形区域实际像素宽度。</p> 21</td> 22</tr> 23<tr id="zh-cn_topic_0000001127125022_row3857132812406"><td class="cellrowborder" valign="top" width="22.872287228722872%" headers="mcps1.1.4.1.1 "><p id="zh-cn_topic_0000001127125022_p88572283404"><a name="zh-cn_topic_0000001127125022_p88572283404"></a><a name="zh-cn_topic_0000001127125022_p88572283404"></a>height</p> 24</td> 25<td class="cellrowborder" valign="top" width="29.352935293529352%" headers="mcps1.1.4.1.2 "><p id="zh-cn_topic_0000001127125022_p198571828114017"><a name="zh-cn_topic_0000001127125022_p198571828114017"></a><a name="zh-cn_topic_0000001127125022_p198571828114017"></a>number</p> 26</td> 27<td class="cellrowborder" valign="top" width="47.774777477747776%" headers="mcps1.1.4.1.3 "><p id="zh-cn_topic_0000001127125022_p3857192844012"><a name="zh-cn_topic_0000001127125022_p3857192844012"></a><a name="zh-cn_topic_0000001127125022_p3857192844012"></a>矩形区域实际像素高度。</p> 28</td> 29</tr> 30<tr id="zh-cn_topic_0000001127125022_row178581628194020"><td class="cellrowborder" valign="top" width="22.872287228722872%" headers="mcps1.1.4.1.1 "><p id="zh-cn_topic_0000001127125022_p38582289408"><a name="zh-cn_topic_0000001127125022_p38582289408"></a><a name="zh-cn_topic_0000001127125022_p38582289408"></a>data</p> 31</td> 32<td class="cellrowborder" valign="top" width="29.352935293529352%" headers="mcps1.1.4.1.2 "><p id="zh-cn_topic_0000001127125022_p28581328104010"><a name="zh-cn_topic_0000001127125022_p28581328104010"></a><a name="zh-cn_topic_0000001127125022_p28581328104010"></a><Uint8ClampedArray></p> 33</td> 34<td class="cellrowborder" valign="top" width="47.774777477747776%" headers="mcps1.1.4.1.3 "><p id="zh-cn_topic_0000001127125022_p085802844017"><a name="zh-cn_topic_0000001127125022_p085802844017"></a><a name="zh-cn_topic_0000001127125022_p085802844017"></a>一维数组，保存了相应的颜色数据，数据值范围为0到255。</p> 35</td> 36</tr> 37</tbody> 38</table> 39 40