摘要
Performance.timing 是唯讀的屬性，傳回的 PerformanceTiming 物件當中包含了效能與時間延遲相關的資訊。
語法
timingInfo = performance.timing;
規格
| 規格 | 狀態 | 備註 |
|---|---|---|
| Navigation Timing The definition of 'Performance.timing' in that specification. |
Recommendation | 初步定義 |
瀏覽器支援狀況
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
timing | Chrome Full support 6 | Edge Full support 12 | Firefox Full support 7 | IE Full support 9 | Opera Full support 15 | Safari Full support 8 | WebView Android Full support Yes | Chrome Android Full support 18 | Firefox Android Full support 7 | Opera Android Full support 14 | Safari iOS Full support 9 | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.
參照
- 屬於
Performance界面的一部份