self.addEventListener("message", (event) => { | |
performance.clearMarks(); | |
performance.clearMeasures(); | |
performance.mark("test-mark"); | |
performance.measure("test-measure"); | |
let entries = [...performance.getEntriesByType("mark"), ...performance.getEntriesByType("measure")]; | |
event.source.postMessage({entries: JSON.stringify(entries)}); | |
}); |