HTMLFormControlsCollection

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方法
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HTMLFormControlsCollection 接口表示 collection of HTML form control elements . It represents the lists returned by the HTMLFormElement 接口的 元素 特性和 HTMLFieldSetElement 接口的 元素 特性。

This interface replaces one method from HTMLCollection , on which it is based.

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  a:hover text { fill: #0095DD; pointer-events: all;}

特性

This interface inherits the properties of its parent, HTMLCollection .

方法

This interface inherits the methods of its parent, HTMLCollection .

HTMLFormControlsCollection.namedItem(): 返回 RadioNodeList 或 元素 in the collection whose 名称 or id matches the specified name, or null if no nodes match. Note that this version of namedItem() hide the one inherited from HTMLCollection . Like that one, in JavaScript, using the array bracket syntax with a 字符串 ，像 collection ["value"] 相当于 collection .namedItem("value") .

规范

规范	状态	注释
HTML 实时标准 The definition of 'HTMLFormControlsCollection' in that specification.	实时标准	No change since the last snapshot, HTML5 .
HTML5 The definition of 'HTMLFormControlsCollection' in that specification.	推荐	In this snapshot of HTML 实时标准， `HTMLFormControlsCollections` is defined for the first time.

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`HTMLFormControlsCollection`	Chrome Yes	Edge 79	Firefox 27	IE No	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android 27	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes
`namedItem`	Chrome Yes	Edge 79	Firefox 33 33 不支持 27 — 33 Returned a `NodeList` 而不是 `RadioNodeList` .	IE No	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android 33 33 不支持 27 — 33 Returned a `NodeList` 而不是 `RadioNodeList` .	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes

图例

完整支持
不支持

另请参阅

HTMLCollection , RadioNodeList , HTMLOptionsCollection

元数据

最后修改： Feb 22, 2020

在此页

特性

方法

规范

浏览器兼容性

图例

另请参阅

相关话题