RelativeTime:number&{r:"Time relative to navigation start"}&{ d:"Duration in ms"; }
Time relative to the performance.now() time origin, in milliseconds: the navigation start in
browsers, the process start in Node.js. Used for timing events relative to when the page (or
process) started.
Time relative to the
performance.now()time origin, in milliseconds: the navigation start in browsers, the process start in Node.js. Used for timing events relative to when the page (or process) started.