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
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| 功能 | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| 基本支援 | 6.0 | 7.0 (7.0) | 9.0 | 15.0 | No support |
| 功能 | Android | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| 基本支援 | 6.0 | 7.0 (7.0) | 1.0 (7.0) | 9.0 | 15.0 | No support |
參照
- 屬於
Performance界面的一部份