CSSValueList 接口的只读属性 length 表示列表中的 CSSValue 数量。有效的索引区间为 0 到 length-1。
语法
var length = cssValueList.length;
值
一个 unsigned long 数值，表示此列表中 CSSValue 的个数。
规范
| 规范 | 状态 | 备注 |
|---|---|---|
| Document Object Model (DOM) Level 2 Style Specification CSSValueList.length |
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
length | Chrome No support No | Edge ? | Firefox No support 1 — 62 | IE ? | 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.