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+---
+title: DOMQuad
+slug: Web/API/DOMQuad
+translation_of: Web/API/DOMQuad
+---
+<p>{{SeeCompatTable}}{{APIRef("Geometry Interfaces")}}</p>
+
+<p>DOMQuad 是四 DOMPoints 的集合, 用于定义任意四边形的角。返回 DOMQuads 允许 getBoxQuads () 即使存在任意2D 或3D 转换, 也可以返回准确的信息。它有一个方便的边界属性返回 DOMRectReadOnly 的那些情况下, 你只需要一个轴对齐的边框。</p>
+
+<dl>
+ <dt>{{domxref("DOMQuad.DOMQuad()")}}</dt>
+ <dd>Creates a new <code>DOMQuad</code> object.</dd>
+</dl>
+
+<h2 id="Properties">Properties</h2>
+
+<dl>
+ <dt>p1,p2,p3,p4 {{readonlyinline}}</dt>
+ <dd>are {{domxref("DOMPoint")}} objects for each of the <code>DOMQuad</code> object's four corners.</dd>
+</dl>
+
+<h2 id="Methods">Methods</h2>
+
+<dl>
+ <dt>{{domxref("DOMQuad.fromRect()")}}</dt>
+ <dd>Returns a new <code>DOMQuad</code> object based on the passed set of coordinates.</dd>
+ <dt>{{domxref("DOMQuad.fromQuad()")}}</dt>
+ <dd>Returns a new <code>DOMQuad</code> object based on the passed set of coordinates.</dd>
+ <dt>{{domxref("DOMQuad.getBounds()")}}</dt>
+ <dd>Returns a {{domxref("DOMRect")}} object with the coordinates and dimensions of the <code>DOMQuad</code> object.</dd>
+ <dt>{{domxref("DOMQuad.toJSON()")}}</dt>
+ <dd>Returns a JSON representation of the <code>DOMQuad</code> object.</dd>
+</dl>
+
+<h2 id="Specifications">Specifications</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('Geometry Interfaces','#DOMQuad','DOMQuad')}}</td>
+   <td>{{Spec2('Geometry Interfaces')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<div>
+
+
+<p>{{Compat("api.DOMQuad")}}</p>
+</div>