Best WW2 fighter plane? An unanswerable question! What sort of fight? Low level dog fight? High altitude air superiority? Night fighting? Long range escort fighter?
As an example, consider the Zero vs P38. Low level dog fight, the Zero has the advantage, with high speed passes the advantage transfers to the P38.
FW190 with experienced Luftwaffe pilot was generally a match for P51, but a WW2 novice in a good 'plane would not (usually) catch an experienced WW2 pilot in an "average" 'plane. With equality of numbers, training, experience, fuel quality and radar support, FW190 would have defeated the USAAF daylight offensive, Probably.
If dogfighting is avoided and the ability to decline combat is permitted then the 262 wins on firepower and the ability to escape. Provided it doesn't run out of fuel and the engines continue to run.
P47 was exceptional at two things, high speed dives and getting home with bits missing, including engine cylinders.
The Pacific became a turkey shoot after the Americans avoided twisting, turning confrontations with the Zeros, so any comparisons with the European conflict are meaningless.
Overall best fighter 1939 -1945? Spitfire. But not at night, or over a long range; and don't sustain engine/coolant circuit damage.