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W3C Candidate Recommendation
This API defines an interface to help web developers measure the performance of their applications by giving them access to high precision timestamps.
|Performance||Exposes a high precision timestamp to developers so they can better measure the performance of their applications.|
|PerformanceMark||Exposes marks created via the mark() method to the Performance Timeline.|
|PerformanceMeasure||Exposes measures created via the measure() method to the Performance Timeline.|
- user timing