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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/element/classname | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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Diffstat (limited to 'files/zh-cn/web/api/element/classname')
-rw-r--r-- | files/zh-cn/web/api/element/classname/index.html | 126 |
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diff --git a/files/zh-cn/web/api/element/classname/index.html b/files/zh-cn/web/api/element/classname/index.html new file mode 100644 index 0000000000..0b071645e3 --- /dev/null +++ b/files/zh-cn/web/api/element/classname/index.html @@ -0,0 +1,126 @@ +--- +title: Element.className +slug: Web/API/Element/className +tags: + - Element.className +translation_of: Web/API/Element/className +--- +<div>{{APIRef("DOM")}}</div> + +<h2 id="Summary" name="Summary">概述</h2> + +<p><strong>className</strong> 获取或设置指定元素的class属性的值。</p> + +<h2 id="Syntax" name="Syntax">语法</h2> + +<pre class="syntaxbox"><var>let cName</var> = <var>elementNodeReference</var>.className; + +<var>elementNodeReference</var>.className = <var>cName</var>;</pre> + +<ul> + <li><var>cName</var>是一个字符串变量,表示当前元素的<code>class</code>属性的值,可以是由空格分隔的多个<code>class</code>属性值.</li> +</ul> + +<h2 id="Example" name="Example">示例</h2> + +<pre class="brush: js">let elm = document.getElementById("div1"); + +if (elm.className == "fixed") { + // 跳过class属性为特定值的元素 + goNextElement(); +}</pre> + +<h2 id="Notes" name="Notes">注释</h2> + +<div class="note"> +<p>使用名称<code>className</code>而不是<code>class</code>作为属性名,是因为"class" 在JavaScript中是个保留字.</p> +</div> + +<h2 id="Specification" name="Specification">规范</h2> + +<ul> + <li><a href="http://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-95362176">DOM Level 2 HTML: className</a></li> +</ul> + +<table> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName("DOM WHATWG", "#dom-element-classname", "element.className")}}</td> + <td>{{Spec2("DOM WHATWG")}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName("DOM4", "#dom-element-classname", "element.className")}}</td> + <td>{{Spec2("DOM4")}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName("DOM2 HTML", "html.html#ID-95362176", "element.className")}}</td> + <td>{{Spec2("DOM2 HTML")}}</td> + <td>Initial definition</td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + +<p>{{CompatibilityTable}}</p> + +<table> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Edge</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>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> + +<table> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Chrome for Android</th> + <th>Edge</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>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> + +<h2 id="相关链接">相关链接</h2> + +<ul> + <li>{{domxref("element.classList")}}</li> +</ul> |