Class PerformanceTimer

Static now

• now(): number

• Returns timestamp in milliseconds since page load.

  If the [[DOMHighResTimeStamp]] is supported, the resolution is up to 5 microseconds, otherwise it is in milliseconds. Timespans are computed by taking the difference between two samples.

  Example:

  const now = PerformanceTimer.now();
  // call some expensive function for which you want to check the duration.
  const end = PerformanceTimer.now();
  const elapsedTime = end - now;

  Returns number