PerformanceTiming.domainLookupStart
Summary
The PerformanceTiming
.domainLookupStart
read-only property returns an unsigned long long
representing the moment, in miliseconds 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 PerformanceTiming.fetchStart
.
Syntax
JavaScript
Copy Code
time = performanceTiming.domainLookupStart;
Specifications
Specification | Status | Comment |
---|---|---|
Navigation Timing The definition of 'PerformanceTiming.domainLookupStart' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 6.0 | 7.0 (7.0) | 9.0 | 15.0 | Not supported |
Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | Not supported | 7.0 (7.0) | 1.0 (7.0) | 9.0 | 15.0 | Not supported |
See also
- The
PerformanceTiming
interface it belongs to.
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/performancetiming/domainlookupstart