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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/mozilla/tech/xul/attribute/id | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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-rw-r--r-- | files/zh-cn/mozilla/tech/xul/attribute/id/index.html | 41 |
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diff --git a/files/zh-cn/mozilla/tech/xul/attribute/id/index.html b/files/zh-cn/mozilla/tech/xul/attribute/id/index.html new file mode 100644 index 0000000000..50e8e7b188 --- /dev/null +++ b/files/zh-cn/mozilla/tech/xul/attribute/id/index.html @@ -0,0 +1,41 @@ +--- +title: id +slug: Mozilla/Tech/XUL/Attribute/id +tags: + - XUL Attributes +translation_of: Archive/Mozilla/XUL/Attribute/id +--- +<div class="noinclude"> + <span class="breadcrumbs xulRefAttr_breadcrumbs">« <a href="/zh-CN/docs/XUL_Reference">XUL Reference home</a></span></div> +<dl> + <dt> + <code id="a-id"><a href="https://developer.mozilla.org/zh-CN/docs/Mozilla/Tech/XUL/Attribute/id">id</a></code></dt> + <dd> + 类型: <em>元素的ID,在主窗口中必须唯一</em></dd> + <dd> + 一个唯一的标识一边开发者能够定义. 你可以使用方法 <code><a href="/cn/DOM/document.getElementById" title="cn/DOM/document.getElementById">getElementById()</a></code> 或者其他 DOM 的函数并在样式表中添加对元素的引用。</dd> +</dl> +<div class="noinclude"> + <h4 id="Example" name="Example">示例</h4> + <pre><button id="foo" label="Click Me" oncommand="doSomething()"/> + +<script> +function doSomething(){ + var myButton = document.getElementById('foo'); + myButton.setAttribute('label','The button was pressed'); +} +</script> +</pre> + <p>一个更加抽象的版本</p> + <pre><button id="foo" label="Click Me" oncommand="setWidgetLabel(this, 'I was pressed')"/> +<script> +function setWidgetLabel(idName, newCaption){ + document.getElementById( idName.id ).setAttribute('label',newCaption) +} + +</script> +</pre> + <h4 id="See_also" name="See_also">同样,这里还有一些资料</h4> + <p><code id="a-name"><a href="https://developer.mozilla.org/zh-CN/docs/Mozilla/Tech/XUL/Attribute/name">name</a></code></p> +</div> +<p></p> |