PropertiesChromeCriOSEdgeFirefoxGooglebotIEOperaSafariSamsungBrowser
ALT_MASK 69.0.3494?? 50.0.0?????
AT_TARGET 27.0.1453? 74.0.96 50.0.0??? 3.0.0 9.0.0
BUBBLING_PHASE 27.0.1453? 74.0.96 50.0.0??? 3.0.0 9.0.0
CAPTURING_PHASE 27.0.1453? 74.0.96 50.0.0??? 3.0.0 9.0.0
CONTROL_MASK 69.0.3494?? 50.0.0?????
length 27.0.1453? 17.0.0 50.0.0??? 3.0.0 9.0.0
META_MASK 69.0.3494?? 50.0.0?????
NONE 27.0.1453? 74.0.96 50.0.0??? 3.0.0 9.0.0
prototype 27.0.1453? 13.0.0 50.0.0??? 3.0.0 9.0.0
SHIFT_MASK 69.0.3494?? 50.0.0?????