PerformanceLongTaskTiming: attribution property
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The attribution readonly 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 | |||||||||||