HTMLOptionsCollection

HTMLOptionsCollection interface represents a collection of <option> HTML elements (in document order) and offers methods and properties for selecting from the list as well as optionally altering its items. This object is returned only by the options property of select .

特性

Name Type 描述
length unsigned long As optionally allowed by the spec, this property isn't read-only. You can either remove options from the end by lowering the value, or add blank options at the end by raising the value. Mozilla allows this, while other implementations could potentially throw a DOMException .

方法

This interface inherits the methods of its parent, HTMLCollection .

规范

规范 状态 Comment
HTML Living Standard
The definition of 'HTMLOptionsCollection' in that specification.
实时标准

浏览器兼容性

更新 GitHub 上的兼容性数据
Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
HTMLOptionsCollection Chrome Yes Edge 12 Firefox Yes IE Yes Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
add Chrome Yes Edge ≤18 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
length Chrome Yes Edge 13 Firefox Yes IE Yes Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
remove Chrome Yes Edge ≤18 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes
selectedIndex Chrome Yes Edge ≤18 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes

图例

完整支持
完整支持
兼容性未知
兼容性未知

另请参阅

Metadata

相关话题
  1. HTMLOptionsCollection
  2. 继承:
    1. HTMLCollection
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