BrowserVersionOwn?TypeAs String
Chrome94.0.4590???
Edge92.0.902???
Firefox90.0.0???
Java11.0.10???
requests2.26.0???
Scrapy1.5.1???

PropertiesChromeEdgeFirefoxJavarequestsScrapy
ALT_MASK??????
AT_TARGET??????
BUBBLING_PHASE??????
CAPTURING_PHASE??????
CONTROL_MASK??????
length??????
META_MASK??????
NONE??????
prototype??????
SHIFT_MASK??????