BrowserVersionOwn?TypeAs String
Chrome38.0.2125???
Edge17.17134.0???
Firefox51.0.0???
FxiOS35.0.0???
Goanna4.8.0???
IE10.0.0inheritedfunction function showModalDialog() { [native code] }
Safari4.0.0???
Safari10.1.2ownfunctionfunction showModalDialog() { [native code] }
Safari11.0.0inheritedundefinedundefined
Safari12.1.1???
Safari12.1.2ownfunctionfunction showModalDialog() { [native code] }
Safari13.0.4inheritedundefinedundefined
Safari14.0.2ownfunctionfunction showModalDialog() { [native code] }
Safari14.0.3inheritedundefinedundefined
Safari14.1.1???
SamsungBrowser14.0.0???
Stargon3.9.1???

PropertiesChromeEdgeFirefoxFxiOSGoannaIESafariSamsungBrowserStargon
length?????? 10.0.1??