PerformanceMark: detail property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since May 2022.
Note: This feature is available in Web Workers.
The read-only detail property returns arbitrary metadata that was included in the mark upon construction (either when using performance.mark() or the PerformanceMark() constructor).
Value
Returns the value it is set to (from markOptions of performance.mark() or the PerformanceMark() constructor).
Examples
The following example demonstrates the detail property.
js
performance.mark("dog", { detail: "labrador" });
const dogEntries = performance.getEntriesByName("dog");
dogEntries[0].detail; // labrador
Specifications
| Specification |
|---|
| User Timing # dom-performancemark-detail |
Browser compatibility
Loading…