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;
规范
因为 Navigation Timing 规范已被弃用,此特性不再有望成为标准。请使用 PerformanceNavigationTiming
接口代替。
浏览器兼容性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
navigationStart |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- Deprecated. Not for use in new websites.
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.
参见
- 它属于
PerformanceTiming
接口。