web api instance property
PerformanceLongTaskTiming: attribution property
Limited availability
The attribution read-only property of the PerformanceLongTaskTiming interface returns an array of TaskAttributionTiming objects.
Value
An Array of TaskAttributionTiming objects.
Examples
Logging attributions for long tasks
const observer = new PerformanceObserver((list) => {
list.getEntries().forEach((entry) => {
entry.attribution.forEach((attributionEntry) => {
console.log(attributionEntry);
});
});
});
observer.observe({ type: "longtask", buffered: true });
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.