PerformanceTiming.navigationStart

概要

PerformanceTiming.navigationStart 是一个返回代表一个时刻的 unsigned long long 型只读属性,为紧接着在相同的浏览环境下卸载前一个文档结束之时的 Unix毫秒时间戳。如果没有上一个文档,则它的值相当于 PerformanceTiming.fetchStart

语法

time = performanceTiming.navigationStart;

标准

Specification Status Comment
Navigation Timing
PerformanceTiming.navigationStart
Recommendation Initial definition.

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Deprecated
Chrome Full support 6Edge Full support YesFirefox Full support 7IE Full support 9Opera Full support 15Safari Full support YesWebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 7Opera Android Full support 15Safari iOS Full support YesSamsung 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.

参见

文档标签和贡献者

此页面的贡献者: fscholz, micblo
最后编辑者: fscholz,