弃用
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the
兼容性表格
at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
This property is deprecated in the
Navigation Timing Level 2 specification
. Please use the
PerformanceNavigationTiming
interface instead.
传统
性能
.timing
只读特性返回
PerformanceTiming
object containing latency-related performance information.
This property is not available in workers.
timingInfo = performance.timing;
| 规范 | 状态 | 注释 |
|---|---|---|
| Navigation Timing Level 2 | 工作草案 | 初始定义。 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
timing
弃用
|
Chrome 6 | Edge 12 | Firefox 7 | IE 9 | Opera 15 | Safari 8 | WebView Android Yes | Chrome Android 18 | Firefox Android 7 | Opera Android 14 | Safari iOS 9 | Samsung Internet Android 1.0 |
完整支持
弃用。不要用于新网站。
性能
interface it belongs to.