i saw this on google and Can someone explain some of these in JS logic to me? I get some of them but some makes no sense to me

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DEV DEV Community X typeof NaN "number" 9999999999999999 10000000000000000 0.50.10.6 true ? 0.10.20.3 false ? Math.max() -Infinity Math.min () Infinity "" 15 "object Object" .. 0 truetruetrue3 true ue-true true1 true true1 false (!!J).length 9 9"1" "91" 91-"1" 90 10 true Thanks for inventing Javascript Javascript vs memes - DEV Community Visit