The PerformanceTiming.secureConnectionStart read-only property returns an unsigned long long representing the moment, in miliseconds since the UNIX epoch, where the secure connection handshake starts. If no such connection is requested, it returns 0.
time = performanceTiming.secureConnectionStart;
| Specification | Status | Comment |
|---|---|---|
| Navigation Timing The definition of 'PerformanceTiming.secureConnectionStart' in that specification. | Recommendation | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 6.0 | 56.0 (56.0) | 9.0 | 15.0 | No support |
| Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | No support | 56.0 (56.0) | 9.0 | 15.0 | No support |
PerformanceTiming interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/PerformanceTiming/secureConnectionStart