BrowserVersionOwn?TypeAs String
Chrome94.0.4590???
Edge92.0.902ownfunctionfunction fetch() { [native code] }
Firefox90.0.0ownfunctionfunction fetch() { [native code] }
Java11.0.10???
requests2.26.0???
Scrapy1.5.1???

PropertiesChromeEdgeFirefoxJavarequestsScrapy
length 88.0.4324 92.0.902 90.0.0???
prototype??????