PerformanceMark: detail property
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
BCD tables only load in the browser