web api instance property
PerformanceTiming: domainLookupStart property
[!WARNING] This interface of this property is deprecated in the Navigation Timing Level 2 specification. Please use the
PerformanceNavigationTiminginterface instead.
The legacy
PerformanceTiming.domainLookupStart
read-only property returns an unsigned long long representing the moment,
in milliseconds since the UNIX epoch, where the domain lookup starts. If a persistent
connection is used, or the information is stored in a cache or a local resource, the
value will be the same as fetchStart.
Value
An unsigned long long.
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
- The
PerformanceTiminginterface it belongs to.