PerformanceLongTaskTiming: attribution property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
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
js
const observer = new PerformanceObserver((list) => {
list.getEntries().forEach((entry) => {
entry.attribution.forEach((attributionEntry) => {
console.log(attributionEntry);
});
});
});
observer.observe({ type: "longtask", buffered: true });
Specifications
| Specification |
|---|
| Long Tasks API # dom-performancelongtasktiming-attribution |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
attribution | ||||||||||||