BrowserVersionOwn?TypeAs String
Chrome79.0.3945???
Chrome80.0.3987ownfunctionfunction PerformanceServerTiming() { [native code] }
Chrome85.0.4183???
Chrome86.0.4240ownfunctionfunction PerformanceServerTiming() { [native code] }
Edge85.0.564???
Edge86.0.622ownfunctionfunction PerformanceServerTiming() { [native code] }
Edge87.0.651???
Edge87.0.658ownfunctionfunction PerformanceServerTiming() { [native code] }
Firefox68.0.0???
Firefox79.0.0ownfunctionfunction PerformanceServerTiming() { [native code] }
IE10.0.0???
Safari10.1.2???
YandexBot3.0.0ownfunctionfunction PerformanceServerTiming() { [native code] }

PropertiesChromeEdgeFirefoxIESafariYandexBot
length 80.0.3987 86.0.622 79.0.0?? 3.0.0
prototype 80.0.3987 86.0.622 79.0.0?? 3.0.0