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The CSSValueList 接口继承自 CSSValue 接口，提供一个经过排序的 CSS 值的抽象集合。
一些属性允许在它们的语法中使用空的列表。这时，these properties take the none identifier. So, an empty list means that the property has the value none.
The items in the CSSValueList are accessible via an integral index, starting from 0.
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a:hover text { fill: #0095DD; pointer-events: all;}
属性
从它的父接口 CSSValue 继承属性。
CSSValueList.length只读- 一个
unsigned long数值，表示此列表中CSSValues的个数。
方法
CSSValueList.item()- This method is used to retrieve a
CSSValueby ordinal index. The order in this collection represents the order of the values in the CSS style property. If index is greater than or equal to the number of values in the list, this returnsnull.
规范
| 规范 | 状态 | 备注 |
|---|---|---|
| Document Object Model (DOM) Level 2 Style Specification CSSValuesList |
Obsolete | Initial definition |
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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSSValueList | Chrome No support No | Edge No support No | Firefox No support 1 — 62 | IE No support No | Opera No support No | Safari ? | WebView Android No support No | Chrome Android No support No | Firefox Android No support 4 — 62 | Opera Android ? | Safari iOS ? | Samsung Internet Android No support No |
item | Chrome No support No | Edge No support No | Firefox No support 1 — 62 | IE No support No | Opera No support No | Safari ? | WebView Android No support No | Chrome Android No support No | Firefox Android No support 4 — 62 | Opera Android ? | Safari iOS ? | Samsung Internet Android No support No |
length | Chrome No support No | Edge No support No | Firefox No support 1 — 62 | IE No support No | Opera No support No | Safari ? | WebView Android No support No | Chrome Android No support No | Firefox Android No support 4 — 62 | Opera Android ? | Safari iOS ? | Samsung Internet Android No support No |
Legend
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.