Timestamps
suggest changeSyntax
- millisecondsAndMicrosecondsSincePageLoad = performance.now();
- millisecondsSinceYear1970 = Date.now();
- millisecondsSinceYear1970 = (new Date()).getTime();
Remarks
performance.now()
is available in modern web browsers and provides reliable timestamps with sub-millisecond resolution.
Since Date.now()
and (new Date()).getTime()
are based on the system time, they often get skewed by a few milliseconds when the system time is automatically synchronized.
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