diff options
author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
---|---|---|
committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/htmlimageelement/image | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
download | translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.gz translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.tar.bz2 translated-content-33058f2b292b3a581333bdfb21b8f671898c5060.zip |
initial commit
Diffstat (limited to 'files/zh-cn/web/api/htmlimageelement/image')
-rw-r--r-- | files/zh-cn/web/api/htmlimageelement/image/index.html | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/files/zh-cn/web/api/htmlimageelement/image/index.html b/files/zh-cn/web/api/htmlimageelement/image/index.html new file mode 100644 index 0000000000..e4e73b99f9 --- /dev/null +++ b/files/zh-cn/web/api/htmlimageelement/image/index.html @@ -0,0 +1,111 @@ +--- +title: Image() +slug: Web/API/HTMLImageElement/Image +tags: + - 图片对象 +translation_of: Web/API/HTMLImageElement/Image +--- +<div>{{ APIRef("HTML DOM") }}</div> + +<p><strong><code>Image()</code></strong>函数将会创建一个新的{{domxref("HTMLImageElement")}}实例。</p> + +<p>它的功能等价于 {{domxref("Document.createElement()", "document.createElement('img')")}}</p> + +<h2 id="语法">语法</h2> + +<pre class="syntaxbox">Image(width, height)</pre> + +<h3 id="参数">参数</h3> + +<dl> + <dt>width</dt> + <dd>图片的宽度 (即 {{htmlattrxref("width", "img")}} 属性).</dd> + <dt>height</dt> + <dd>图片的高度 (即 {{htmlattrxref("height", "img")}} 属性).</dd> +</dl> + +<h2 id="示例"><span style="line-height: 1.572;">示例</span></h2> + +<pre class="brush: js">var myImage = new Image(100, 200); +myImage.src = 'picture.jpg'; +document.body.appendChild(myImage);</pre> + +<div>上面的代码相当于在 {{htmlelement("body")}}中定义了下面的HTML:</div> + +<pre class="brush: html"><img width="100" height="200" src="picture.jpg"> +</pre> + +<div class="note"> +<p><strong>Note</strong>: 无论构造函数中指定的大小是多少,都会加载整个位图. 如果在构造时指定了尺寸信息,那么将会反应在实例的 {{domxref("HTMLImageElement.width")}} 和 {{domxref("HTMLImageElement.height")}} 属性上。图像自身的CSS像素值将会反应在{{domxref("HTMLImageElement.naturalWidth")}} 和 {{domxref("HTMLImageElement.naturalHeight")}}属性。如果没有指定值,那么两个属性的值相同</p> +</div> + +<h2 id="规范">规范</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", "embedded-content.html#dom-image", "Image()")}}</td> + <td>{{spec2("HTML WHATWG")}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="兼容性">兼容性</h2> + +<div>{{CompatibilityTable}}</div> + +<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 (WebKit)</th> + </tr> + <tr> + <td>支持情况</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</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 Phone</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + <th>Chrome for Android</th> + </tr> + <tr> + <td>支持情况</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + <td>{{compatversionunknown}}</td> + </tr> + </tbody> +</table> +</div> |