翻译正在进行中。
HTMLOptionElement 接口表示了 <option> 元素并继承HTMLElement接口所有的类和方法。
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a:hover text { fill: #0095DD; pointer-events: all;}
属性
继承自其父类属性, HTMLElement.
| 名称 | 类型 | 描述 |
|---|---|---|
defaultSelected |
Boolean |
包含了selected HTML 特性的初始值， 指示默认情况下是否选择该选项。 |
disabled |
Boolean |
反映了disabled HTML 特性 的值 , 这意味着选项（option）是不可选的。如果一个选项是关闭的<optgroup>元素的子元素，那么它也可被关闭。 |
form只读 |
HTMLFormElement |
如果该选项是 |
index只读 |
long |
该选项在其所属的选项列表中的位置，以树形顺序排列。 如果该选项不是选项列表的一部分，例如为 |
label |
DOMString |
反映 |
selected |
Boolean |
表示当前该option是否被选择。 |
text |
DOMString |
包含元素的文本内容。 |
value |
DOMString |
反映 |
方法
方法继承自其父类, HTMLElement.
HTMLOptionElement.Option()是一个创建HTMLOptionElement对象的构造函数。 它有四个值：要显示的文本，文本，关联的值，值，defaultSelected的值以及所选的值。 最后三个值是可选的。
格式
| 格式 | 状态 | 注释 |
|---|---|---|
| HTML Living Standard HTMLOptionElement |
Living Standard | No change from HTML5. |
| HTML5 HTMLOptionElement |
Recommendation | 一个构造函数Option()已经被添加。form属性可以是null值。 |
| Document Object Model (DOM) Level 2 HTML Specification HTMLOptionElement |
Obsolete | selected属性改变了它的含义：现在它指示当前是否选择该选项，如果该选项被初始选择，则不再使用该选项。defaultSelected属性不再是只读的。 |
| Document Object Model (DOM) Level 1 Specification HTMLOptionElement |
Obsolete | 初始定义 |
浏览器兼容性
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
HTMLOptionElement | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
defaultSelected | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
disabled | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
form | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
index | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
label | Chrome Full support Yes | Edge Full support 12 | Firefox
Full support
7
| IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android
Full support
7
| Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
selected | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
text | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
value | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- See implementation notes.
- See implementation notes.
参见
- 实现此接口的HTML元素 :
<option>。