BrowserVersionOwn?TypeAs String
Chrome94.0.4590ownobject[object Math]
Chrome94.0.4596???
Edge92.0.902ownobject[object Math]
Firefox90.0.0ownobject[object Math]
Java11.0.10???
requests2.26.0???
Scrapy1.5.1???

PropertiesChromeEdgeFirefoxJavarequestsScrapy
abs 80.0.3987 92.0.902 78.0.0???
acos 80.0.3987 92.0.902 78.0.0???
acosh 80.0.3987 92.0.902 78.0.0???
asin 80.0.3987 92.0.902 78.0.0???
asinh 80.0.3987 92.0.902 78.0.0???
atan 80.0.3987 92.0.902 78.0.0???
atan2 80.0.3987 92.0.902 78.0.0???
atanh 80.0.3987 92.0.902 78.0.0???
cbrt 80.0.3987 92.0.902 78.0.0???
ceil 80.0.3987 92.0.902 78.0.0???
clz32 80.0.3987 92.0.902 78.0.0???
cos 80.0.3987 92.0.902 78.0.0???
cosh 80.0.3987 92.0.902 78.0.0???
E 80.0.3987 92.0.902 78.0.0???
exp 80.0.3987 92.0.902 78.0.0???
expm1 80.0.3987 92.0.902 78.0.0???
floor 80.0.3987 92.0.902 78.0.0???
fround 80.0.3987 92.0.902 78.0.0???
hypot 80.0.3987 92.0.902 78.0.0???
imul 80.0.3987 92.0.902 78.0.0???
LN10 80.0.3987 92.0.902 78.0.0???
LN2 80.0.3987 92.0.902 78.0.0???
log 80.0.3987 92.0.902 78.0.0???
log10 80.0.3987 92.0.902 78.0.0???
LOG10E 80.0.3987 92.0.902 78.0.0???
log1p 80.0.3987 92.0.902 78.0.0???
log2 80.0.3987 92.0.902 78.0.0???
LOG2E 80.0.3987 92.0.902 78.0.0???
max 80.0.3987 92.0.902 78.0.0???
min 80.0.3987 92.0.902 78.0.0???
PI 80.0.3987 92.0.902 78.0.0???
pow 80.0.3987 92.0.902 78.0.0???
random 80.0.3987 92.0.902 78.0.0???
round 80.0.3987 92.0.902 78.0.0???
sign 80.0.3987 92.0.902 78.0.0???
sin 80.0.3987 92.0.902 78.0.0???
sinh 80.0.3987 92.0.902 78.0.0???
sqrt 80.0.3987 92.0.902 78.0.0???
SQRT1_2 80.0.3987 92.0.902 78.0.0???
SQRT2 80.0.3987 92.0.902 78.0.0???
tan 80.0.3987 92.0.902 78.0.0???
tanh 80.0.3987 92.0.902 78.0.0???
toSource??????
trunc 80.0.3987 92.0.902 78.0.0???