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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: script
+slug: Web/SVG/Element/script
+tags:
+ - SVG
+ - 元素
+ - 参考
+ - 脚本
+translation_of: Web/SVG/Element/script
+---
+<p>一个SVG脚本元素等同于HTML中的<code><a href="/en-US/HTML/Element/Script">script</a>元素,因此这个位置是面向脚本的(例如,ECMAScript)。</code></p>
+
+<p>任何定义在<code>script</code>元素中的函数拥有一个跨当前文档的全局范围。</p>
+
+<h2 id="用法">用法</h2>
+
+<p>{{svginfo}}</p>
+
+<h2 id="示例">示例</h2>
+
+<p>下面的代码片段演示了SVG <code>script</code>标签的作用。在代码中,我们使用JavaScript改变SVG {{SVGElement("circle")}} 元素的半径。</p>
+
+<pre class="brush: html">&lt;svg width="100%" height="100%" viewBox="0 0 100 100"
+ xmlns="http://www.w3.org/2000/svg"&gt;
+ &lt;script type="text/javascript"&gt;
+ // &lt;![CDATA[
+ function change(evt) {
+      var target = evt.target;
+      var radius = target.getAttribute("r");
+
+      if (radius == 15) {
+        radius = 45;
+      } else {
+        radius = 15;
+      }
+
+      target.setAttribute("r",radius);
+ }
+ // ]]&gt;
+ &lt;/script&gt;
+
+ &lt;circle cx="50" cy="50" r="45" fill="green"
+          onclick="change(evt)" /&gt;
+&lt;/svg&gt;
+</pre>
+
+<p>示例输出:</p>
+
+<p>{{EmbedLiveSample("Example",150,165)}}</p>
+
+<h2 id="属性">属性</h2>
+
+<h3 id="全局属性">全局属性</h3>
+
+<ul>
+ <li><a href="/en-US/SVG/Attribute#Core">核心属性</a> »</li>
+ <li><a href="/en-US/SVG/Attribute#XLink">Xlink属性</a> »</li>
+ <li>{{SVGAttr("externalResourcesRequired")}}</li>
+</ul>
+
+<h3 id="专有属性">专有属性</h3>
+
+<ul>
+ <li>{{SVGAttr("type")}}</li>
+ <li>{{SVGAttr("xlink:href")}}</li>
+</ul>
+
+<h2 id="DOM接口">DOM接口</h2>
+
+<p>该元素实现了<code><a href="/en-US/DOM/SVGScriptElement">SVGScriptElement</a></code>接口。</p>
+
+<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>1.0</td>
+ <td>{{CompatGeckoDesktop('1.8')}}</td>
+ <td>{{CompatIE('9.0')}}</td>
+ <td>{{CompatOpera('9.0')}}</td>
+ <td>{{CompatSafari('3.0.4')}}</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 Phone</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatAndroid('3.0')}}</td>
+ <td>{{CompatGeckoMobile('1.8')}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatSafari('3.0.4')}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<p>该表格基于<a href="/en-US/SVG/Compatibility_sources">这些资源</a>。</p>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li><a href="/en-US/HTML/Element/Script">HTML中的<code>script</code>元素</a></li>
+</ul>
+
+<p>{{SVGRef}}</p>